Commit Graph

1899 Commits

Author SHA1 Message Date
Daco Harkes 1b125fb337 [gardening] Fix concurrency_stress_sanity_test
Closes: https://github.com/dart-lang/sdk/issues/56585
Change-Id: Ib0cfb9772ac04f73c57ab0f5bbc10786c6db740d
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/382561
Commit-Queue: Daco Harkes <dacoharkes@google.com>
Reviewed-by: Martin Kustermann <kustermann@google.com>
2024-08-28 10:27:24 +00:00
Vyacheslav Egorov 090c07ad1f [vm] Improve unwinding for Future.timeout
Make unwinding follow the awaiter link attached to the timeout handler,
which allows it to continue past the asynchronous gap into the
corresponding listeners. This significantly improves the stack trace:
for example a timing out `await Socket.connect()` now produces:

    SocketException: Connection timed out, ...
    _NativeSocket.connect.<anonymous closure>.<anonymous closure>
    _RootZone.run (dart:async/zone.dart:1655:54)
    Future.timeout.<anonymous closure>
    <asynchronous suspension>
    _RawSocket.connect.<anonymous closure>
    <asynchronous suspension>
    Socket._connect.<anonymous closure>
    <asynchronous suspension>
    main
    <asynchronous suspension>

Where without this change it produced:

    SocketException: Connection timed out, ...
    _NativeSocket.connect.<anonymous closure>.<anonymous closure>
    _RootZone.run
    Future.timeout.<anonymous closure>
    Timer._createTimer.<anonymous closure>
    _Timer._runTimers
    _Timer._handleMessage
    _RawReceivePort._handleMessage

Which is much less informative.

TEST=vm/dart/awaiter_stacks

Fixes https://github.com/dart-lang/sdk/issues/56431

Change-Id: If4798e9e216ed88480a2b2b91ad6fa13dcb14ca4
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/380982
Reviewed-by: Sigmund Cherem <sigmund@google.com>
Reviewed-by: Martin Kustermann <kustermann@google.com>
Commit-Queue: Slava Egorov <vegorov@google.com>
Reviewed-by: Lasse Nielsen <lrn@google.com>
2024-08-19 06:52:34 +00:00
Alexander Markov a96a8a78d4 [vm/compiler] Fix environments when inserting conditional dispatch table call
Avoid adding environments on control flow instructions (block entries,
branches and gotos) when inserting conditional dispatch table calls.

UseTableDispatch pass is performed after EliminateEnvironments pass
which removes most environments including environments on those
instructions, so these environments are unnecessary and would have
been removed by EliminateEnvironments if it was run again.

Also, these environments confuse register allocation and cause
"unreachable code" crash in FindCover (called from ResolveControlFlow).

TEST=vm/dart/dynamic_module_pragmas_il_test

Change-Id: Ifb4b268e4cade2c71304798b4e0dfeacf1f8089b
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/377842
Commit-Queue: Alexander Markov <alexmarkov@google.com>
Reviewed-by: Slava Egorov <vegorov@google.com>
2024-08-02 14:09:34 +00:00
Ryan Macnak 961bc9236e [vm, gc] Select the number of scavenger workers based on the number of active isolates in the current group.
unit_test_suites.dart --skipTestsThatRequireGit -j8
12:18 -> 10:27 (-15%)

TEST=ci
Bug: https://github.com/dart-lang/sdk/issues/55713
Change-Id: I1be5c3d9618497ac6d9ffb030eb3576253b0cdfb
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/377540
Reviewed-by: Alexander Aprelev <aam@google.com>
Commit-Queue: Ryan Macnak <rmacnak@google.com>
2024-07-29 21:51:27 +00:00
Alexander Markov 55b2a39bf9 [vm/compiler] Handle _GrowableList.length as a symbolic boundary in range analysis
TEST=runtime/tests/vm/dart/regress_56099_il_test.dart

Fixes https://github.com/dart-lang/sdk/issues/56099

Change-Id: Ie078bfbc547e2aaa078144802c2ddfd00e0ec3aa
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/377060
Reviewed-by: Tess Strickland <sstrickl@google.com>
Commit-Queue: Alexander Markov <alexmarkov@google.com>
2024-07-29 19:09:58 +00:00
Alexander Aprelev e19710640e [vm/gardening] Skip shared isolates test on reload bots.
The tests are spawning child processes, that can be slow on reload bots.

BUG=https://github.com/dart-lang/sdk/issues/56277
TEST=ci

Change-Id: I71ebbfd81c80937fce2dd49b18ebcb16d1cc5538
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/377080
Commit-Queue: Alexander Aprelev <aam@google.com>
Reviewed-by: Siva Annamalai <asiva@google.com>
2024-07-22 17:36:44 +00:00
Tess Strickland 953b1a9b0b [vm] Refactor vm/dart/use_dwarf_stack_traces_flag tests.
Both the regular and deferred versions of this test contain
up to six different test cases:

All platforms:
 * ELF snapshot, using DWARF from the snapshot
 * ELF snapshot, using DWARF from the separate debugging information
For platforms where the test can assemble snapshots:
 * assembled snapshot, using DWARF from the snapshot or
   the separate .dSYM package on MacOS
 * assembled snapshot, using DWARF from the separate debugging
   information
For MacOS only:
 * creating a single-architecture universal binary from the
   separate .dSYM package and extracting DWARF information from it
 * creating a multi-architecture universal binary from the
   separate .dSYM package and extracting DWARF information from it

Originally the tests were written using package:expect, performing
program compilation and execution separately before each test and
lazily reading DWARF information within the test itself. Since tests
using package:expect stop the program immediately on a failure,
a failing expectation keeps other independent test cases from being
checked. However, it's useful to know if the failure is limited to
only a subset of the test cases, since that helps point at which code
is to blame for the test failure(s).

Now the tests are refactored to first set up the tests by performing
all program compilation and execution first, collecting all outputs and
DWARF information as test state. Then the test cases are defined over
the collected test state using package:test instead of package:expect.
This way, as long as there is not a failure in the initial setup, all
of the applicable test cases are run even if one or more of them fail.

-----

In pkg/native_stack_traces, changes the return types of the reader
retrieval methods in the DwarfContainer class and
DwarfSnapshot.fromDwarfContainer to be nullable. If the shared object
does not contain the expected DWARF information, these methods now
return null instead of causing null check exceptions to be thrown.

Issue: https://github.com/dart-lang/sdk/issues/55612

Change-Id: I253965a95894f455e51d021e32dbf2703d8b99cf
Cq-Include-Trybots: luci.dart.try:vm-aot-dwarf-linux-product-x64-try,vm-aot-linux-debug-x64-try,vm-aot-mac-release-arm64-try,vm-aot-mac-product-arm64-try,vm-aot-mac-release-x64-try,vm-aot-win-debug-arm64-try,vm-aot-win-debug-x64-try
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/375240
Commit-Queue: Tess Strickland <sstrickl@google.com>
Reviewed-by: Daco Harkes <dacoharkes@google.com>
2024-07-18 10:00:11 +00:00
Alexander Aprelev 6327cbba0e [gardening] Skip shared_primitives_test on simulator due to no ffi.
The test uses ffi, which is not available on simulator.

Fixes https://github.com/dart-lang/sdk/issues/56223
TEST=ci

Change-Id: Iafbb368d214247aac0a753bedcb99d432d7d0bc5
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/375381
Commit-Queue: Alexander Aprelev <aam@google.com>
Reviewed-by: Brian Quinlan <bquinlan@google.com>
2024-07-11 18:24:29 +00:00
Alexander Aprelev d2bc055651 [vm/shared] Add 'dart:concurrent' core library.
This brings Mutex and ConditionVariable classes to guard access to shared variables.

TEST=shared_test, shared_primitives_test
BUG=https://github.com/dart-lang/sdk/issues/55991
CoreLibraryReviewExempt: dart:concurrent library is experimental, restricted to main/dev channels, vm-only at this point.
Change-Id: I64ca7a0434cbe0079976133ccbf9de2dd4c0d7b1
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/372181
Commit-Queue: Alexander Aprelev <aam@google.com>
Reviewed-by: Slava Egorov <vegorov@google.com>
2024-07-10 19:45:29 +00:00
Ryan Macnak 141fbc7a0f [vm, compiler] Mark LeafRuntimeCall's inputs as not speculative.
TEST=dartfuzz
Bug: https://github.com/dart-lang/sdk/issues/56132
Change-Id: I4bfb08426fc9baaf0db6abe49ee51d38a38bffa9
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/374299
Commit-Queue: Ryan Macnak <rmacnak@google.com>
Reviewed-by: Alexander Markov <alexmarkov@google.com>
2024-07-09 18:00:39 +00:00
Alexander Markov efab897725 [vm,aot] Fix type check in implicit setter of a covariant field
Inferred type of a covariant field should not be used as
an argument type of an implicit setter, as setter of a covariant
field performs a type check before assigning value to the field.

Correct such uses of covariant field types in unboxing
and AOT type propagation in order to avoid incorrect removal of
a type check in the implicit setter of a covariant field.

TEST=runtime/tests/vm/dart/regress_56051_test.dart
Fixes https://github.com/dart-lang/sdk/issues/56051

Change-Id: I55bfedfd96e918aac9597706c6eab1b81e1202ee
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/372721
Reviewed-by: Slava Egorov <vegorov@google.com>
Commit-Queue: Alexander Markov <alexmarkov@google.com>
2024-06-25 14:34:20 +00:00
Derek Xu 6209c47239 [VM/Debugger] Force valid breakpoints to resolve by ensuring functions are compiled
TEST=breakpoint tests in pkg/vm_service/test

Fixes: https://github.com/Dart-Code/Dart-Code/issues/4734
Issue: https://github.com/dart-lang/sdk/issues/55268
Change-Id: Ifb56ab9bbc062952d2b08b2feb4c7d7b87aa19f5
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/338740
Reviewed-by: Ben Konyi <bkonyi@google.com>
Reviewed-by: Alexander Aprelev <aam@google.com>
Commit-Queue: Derek Xu <derekx@google.com>
2024-06-24 22:00:28 +00:00
Alexander Markov 0c9067c626 [vm,aot] Preliminary support for dynamic interface in AOT
TEST=runtime/tests/vm/dart/dynamic_module_pragmas_il_test.dart

Change-Id: I6efd24f55726db858711d5f77beabf5659e288a4
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/371563
Reviewed-by: Slava Egorov <vegorov@google.com>
Commit-Queue: Alexander Markov <alexmarkov@google.com>
2024-06-18 14:31:24 +00:00
Alexander Aprelev 4138277ee6 [vm/shared] Introduce 'vm:shared' pragma.
Decorating a field with 'vm:shared' pragma makes values in this field accessible to all isolates in an isolate group.

Introduce `channel` to the `Version` class so that the pragma can only be enabled on main and dev channels.

TEST=shared_test, shared_fail_without_flag_test
BUG=https://github.com/dart-lang/sdk/issues/55991

Change-Id: I843c9f0d2ffc9f2ced7ddc4006bb6f9ca4e2ddf4
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/370064
Reviewed-by: Slava Egorov <vegorov@google.com>
Commit-Queue: Alexander Aprelev <aam@google.com>
2024-06-14 23:24:19 +00:00
Derek Xu 92b744d1b2 Fix iso-stress job by preventing --sound-null-safety flag from getting passed to the VM
Runs of this job are currently failing and logging the message "Setting
VM flags failed: Unrecognized flags: sound_null_safety".
e.g. https://ci.chromium.org/ui/p/dart/builders/ci.sandbox/iso-stress-linux/6150/overview

Change-Id: I2fe541dc801794b2e0c12c98bf1bcf6d774e41de
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/371380
Reviewed-by: Siva Annamalai <asiva@google.com>
Commit-Queue: Derek Xu <derekx@google.com>
2024-06-13 17:02:03 +00:00
asiva e23e032406 [test] Fix isolate concurrency test to not pass in sound-null-safety flag
Change-Id: I57f252e427e35fcf4ad5e96465f3ad4e88ababea
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/371203
Commit-Queue: Siva Annamalai <asiva@google.com>
Reviewed-by: Alexander Aprelev <aam@google.com>
2024-06-12 22:26:35 +00:00
Daco Harkes 9588927faf [vm] Native asset relative path resolution with symlinks
This CL moves native assets resolution to the embedder.

The Dart VM looks up the asset path (for example
`['relative', 'foo.so']`) with the asset id. The embedder defines
callbacks for asset loading, and returns a handle to the dylib.
Then the VM calls the embedder again with `dlsym` to lookup the symbol.

The Dart VM & kernel compiler are responsible for the asset id to
asset path mapping. The kernel compiler compiles it into the snapshot
and the VM looks it up in the snapshot.

Relative paths are resolved relative to the isolate script uri (kernel
snapshot, jit snapshot, aot snapshot, or `dart compile exe` result).
The embedder is responsible for remembering the script uri it set when
spawning the isolate group.

This CL does not add `dlclose` or `dladdr` embedder callbacks yet.
Bug: https://github.com/dart-lang/sdk/issues/55521
Bug: https://github.com/dart-lang/sdk/issues/55966

TEST=pkg/dartdev/test/native_assets/build_test.dart
TEST=tests/ffi/native_assets/asset_relative_test.dart

Bug: https://github.com/dart-lang/sdk/issues/55410
Bug: https://github.com/dart-lang/sdk/issues/55523
Bug: https://github.com/dart-lang/sdk/issues/55207
Change-Id: I75ec4a368c5fb3d2f76b03771e796ff56bcac941
Cq-Include-Trybots: dart/try:vm-aot-linux-debug-x64-try,vm-aot-linux-debug-x64c-try,vm-aot-mac-release-arm64-try,vm-aot-mac-release-x64-try,vm-aot-obfuscate-linux-release-x64-try,vm-aot-optimization-level-linux-release-x64-try,vm-aot-win-debug-arm64-try,vm-aot-win-debug-x64-try,vm-aot-win-debug-x64c-try,pkg-linux-debug-try,pkg-linux-release-arm64-try,pkg-mac-release-try,pkg-mac-release-arm64-try,pkg-win-release-try,pkg-win-release-arm64-try,vm-aot-asan-linux-release-x64-try,vm-asan-linux-release-x64-try,vm-aot-msan-linux-release-x64-try,vm-msan-linux-release-x64-try
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/361881
Reviewed-by: Martin Kustermann <kustermann@google.com>
Commit-Queue: Daco Harkes <dacoharkes@google.com>
2024-06-12 16:45:19 +00:00
Daco Harkes 4b2906cdc1 [vm] Move ResolveUri to platform
This will enable the standalone embedder to resolve uris in a follow
up CL:
https://dart-review.googlesource.com/c/sdk/+/361881

The implementation was using zones for allocation, this CL switches
that to using `malloc`. The caller is responsible for freeing the
memory if resolving succeeds.

This CL removes `Dart_DefaultCanonicalizeUrl`.

We don't have a run_platform_tests, so this CL keeps the tests in
run_vm_tests.

TEST=vm/cc/ParseUri
TEST=vm/cc/ResolveUri
TEST=tests/ffi/native_assets/asset_relative_test.dart

Bug: https://github.com/dart-lang/sdk/issues/55523
Change-Id: Ifb300d8164eb50506f22ce619fad0811f74ef34c
Cq-Include-Trybots: luci.dart.try:vm-aot-asan-linux-release-x64-try,vm-aot-msan-linux-release-x64-try,vm-asan-linux-release-arm64-try,vm-asan-linux-release-x64-try,vm-msan-linux-release-arm64-try,vm-msan-linux-release-x64-try,pkg-linux-debug-try,pkg-linux-release-arm64-try,pkg-linux-release-try,pkg-mac-release-try,pkg-mac-release-arm64-try,pkg-win-release-arm64-try,pkg-win-release-try,vm-aot-linux-debug-x64-try,vm-linux-debug-x64-try,vm-reload-linux-debug-x64-try,vm-reload-rollback-linux-debug-x64-try,vm-aot-win-debug-x64-try,vm-win-debug-arm64-try,vm-mac-debug-x64-try
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/368423
Reviewed-by: Martin Kustermann <kustermann@google.com>
2024-06-12 16:45:19 +00:00
Jens Johansen c15466034e [status_files] Cleanup status files
Make tool (by default) give error when test entry specified in status
file does not exist. Make -w (by default) remove such entries.

Cleanup most status files, fixing a few entries containing `.dart` and
removing obsolete entries (i.e. entries pointing to nonexisting tests).

This should for instance have given an error in
https://dart-review.googlesource.com/c/sdk/+/370600 saying that the file
I specified didn't exist (in that I shouldn't have specified the `.dart`
part).

TEST=No tests, this is status file maintenance.

Change-Id: Ie977bf15dea2e3dad8d771fd3e99917317e975f6
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/370886
Commit-Queue: Jens Johansen <jensj@google.com>
Reviewed-by: Alexander Thomas <athom@google.com>
2024-06-12 10:21:23 +00:00
Tess Strickland d06d627c79 [vm] Remove --[no-]lazy-dispatchers flag.
No client of the VM uses this flag, only tests, and this flag was always
set to false in AOT mode. Thus, remove uses of this flag and instead
always lazily create dispatchers as needed when resolving method names
in JIT mode.

Remove the implicit value of `allow_add` for some Resolver
static methods. For callers that previously depended on the implicit
`true` value (which includes the AOT precompilier), pass `true` for
uses in the compiler and pass `!FLAG_precompiled_mode` for uses in the
runtime. Assert that `allow_add` is false when these methods are invoked
from the precompiled runtime.

Remove Resolver static methods that are no longer used.

TEST=ci

Change-Id: Ib6a7354f7a859e86743c381513a4129c14895753
Cq-Include-Trybots: luci.dart.try:vm-linux-debug-x64-try,vm-linux-release-x64-try,vm-aot-linux-debug-x64-try,vm-aot-linux-release-x64-try,vm-aot-mac-release-arm64-try,vm-mac-debug-arm64-try,vm-mac-release-arm64-try
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/366668
Reviewed-by: Ryan Macnak <rmacnak@google.com>
Reviewed-by: Martin Kustermann <kustermann@google.com>
Commit-Queue: Tess Strickland <sstrickl@google.com>
2024-06-06 10:56:12 +00:00
Tess Strickland d7e6e0e8c3 [vm/compiler] Fix dart fuzzer CalculateElementAddress crash on X64C.
In the backend, handle the following cases that were assumed not to
happen before:
* If the index and offset are both 0, then the operation is a no-op
  and so the output register should be the same as the first input.
  (Should only happen if the instruction is used in a non-optimizing
  context, as otherwise it is removed by canonicalization.)
* If the scaled index can be used as an instruction immediate and the
  offset is 0, then emit the appropriate instruction(s).
* If the scaled index and offset can both be used as immediates to
  instructions, but their sum (the total offset in bytes) cannot, then
  allocate a register for the index and fall back to the non-constant
  index case.

CalculateElementAddress::Canonicalize now only performs removal of
no-op instructions.

This CL also fixes a switch on the instruction tag in
FlowGraph::RenameRecursive to appropriately convert UnboxedConstant
instructions to initial definitions of the FlowGraph as it already does
for Constant instructions.

TEST=vm/dart/regress_55877

Issue: https://github.com/dart-lang/sdk/issues/55877
Cq-Include-Trybots: luci.dart.try:vm-aot-linux-debug-simarm_x64-try,vm-aot-linux-debug-simriscv64-try,vm-aot-linux-debug-x64-try,vm-aot-linux-debug-x64c-try,vm-linux-debug-ia32-try,vm-linux-debug-x64-try,vm-linux-debug-x64c-try,vm-linux-debug-simriscv64-try,vm-mac-debug-arm64-try,vm-aot-mac-release-arm64-try
Change-Id: I613d6c8770fe02facf6bbdb3d2b11f842b51540d
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/369642
Commit-Queue: Tess Strickland <sstrickl@google.com>
Reviewed-by: Ryan Macnak <rmacnak@google.com>
2024-06-06 09:14:18 +00:00
Tess Strickland 5aca47f3f3 [gardening] Remove erroneous ASSERT in AddressCanHoldConstantIndex.
The ASSERT checks that there will be no overflow in computing the byte
offset from the index. However, any instruction that uses this method is
preceded by a bounds check of the index, and an index that would cause
the byte offset calculation to overflow is guaranteed to fail the bounds
check. Thus, this is dead code that will never be executed at runtime
and it is okay to emit code to perform the erroneous offset calculation.

TEST=vm/dart/regress_55864

Fixes: https://github.com/dart-lang/sdk/issues/55864
Change-Id: If4126e412368b8307be3c787ccb6bd451764c73f
Cq-Include-Trybots: luci.dart.try:vm-aot-linux-debug-simarm_x64-try
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/368563
Reviewed-by: Martin Kustermann <kustermann@google.com>
Commit-Queue: Tess Strickland <sstrickl@google.com>
2024-05-30 10:09:46 +00:00
Vyacheslav Egorov 04cc5098ab [vm] Enable test pattern (a&b == 0) fusion in AOT on X64/ARM64
Previously we would only fuse this pattern for Smi operations
which (almost) never happens in AOT. This CL enables fusion
for Int64 operations as well.

The implementation is limited to X64 and ARM64 for now
because implementing it on 32-bit platforms is somewhat
cumbersome.

Issue https://github.com/dart-lang/sdk/issues/55522

R=alexmarkov@google.com
TEST=vm/cc/IL_TestIntInstr,vm/dart/test_int_pattern_il_test

Cq-Include-Trybots: luci.dart.try:vm-linux-release-simarm-try,vm-aot-linux-release-simarm_x64-try,vm-aot-linux-debug-simarm_x64-try,dart-sdk-linux-riscv64-try,vm-aot-linux-debug-simriscv64-try,vm-ffi-qemu-linux-release-riscv64-try,vm-linux-debug-simriscv64-try,vm-linux-release-ia32-try
Change-Id: I62a482640db45befac6b0b78850f23a8cc624c75
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/365463
Reviewed-by: Alexander Markov <alexmarkov@google.com>
Commit-Queue: Slava Egorov <vegorov@google.com>
2024-05-11 08:53:29 +00:00
Ryan Macnak e22fc12715 [vm, compiler] Mark CalculateElementAddressInstr as not speculative.
TEST=ci
Bug: https://github.com/dart-lang/sdk/issues/55595
Bug: https://github.com/dart-lang/sdk/issues/55663
Change-Id: I7475ef81857be60910d93262123d01936c5ab15a
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/365902
Commit-Queue: Ryan Macnak <rmacnak@google.com>
Reviewed-by: Alexander Markov <alexmarkov@google.com>
2024-05-08 21:10:29 +00:00
Ryan Macnak 8c1de038e0 [vm, compiler] Allow targeting TSAN or MSAN by passing a flag to gen_snapshot.
Add check that the snapshot and runtime agree on whether to use MSAN. We already have this check for TSAN.

TEST=vm/dart/sanitizer_compatibility_test
Bug: https://github.com/dart-lang/sdk/issues/55637
Bug: https://github.com/dart-lang/sdk/issues/55638
Change-Id: I320e6f55cd59209ce6e58a82ac205a87c8a60a84
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/365487
Reviewed-by: Daco Harkes <dacoharkes@google.com>
Commit-Queue: Ryan Macnak <rmacnak@google.com>
Reviewed-by: Ivan Inozemtsev <iinozemtsev@google.com>
Reviewed-by: Siva Annamalai <asiva@google.com>
2024-05-08 17:03:59 +00:00
Johnni Winther 6bec589f00 [cfe] Add least supported version check of 2.12
Change-Id: Iff8a3ea624b7130cb09359fbc9787a98ba07c4e5
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/364700
Reviewed-by: Alexander Markov <alexmarkov@google.com>
Commit-Queue: Johnni Winther <johnniwinther@google.com>
Reviewed-by: Jens Johansen <jensj@google.com>
Reviewed-by: Paul Berry <paulberry@google.com>
2024-05-08 09:28:45 +00:00
Daco Harkes 4945c2a76b [gardening] Increase timeout
Test started being flaky after timeouts got halved. Try increasing
timeout on simulators.

Bug: https://github.com/dart-lang/sdk/issues/55658
Change-Id: If0be49b42045e26ef3d03fed93d8349a54b1ee29
Cq-Include-Trybots: luci.dart.try:vm-aot-linux-release-simarm_x64-try
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/365585
Reviewed-by: Martin Kustermann <kustermann@google.com>
Auto-Submit: Daco Harkes <dacoharkes@google.com>
Commit-Queue: Martin Kustermann <kustermann@google.com>
2024-05-08 06:47:30 +00:00
Alexander Markov 95d96cf06d [vm/compiler] Fix incorrect DSE
Dead Store Elimination (DSE) propagates "dead store" state backwards
across basic blocks to predecessors. If place is defined in a loop
(either its instance or index are defined in a loop), propagating
"dead store" state across backedge of the loop is incorrect, as each
loop iteration effectively has its own place.

This bug is fixed by disabling propagation of "dead store"
state beyond defining blocks of instance and index of a place.
This is done by setting bits in "live_in" of the blocks corresponding
to the instance and index definitions of a place.

TEST=runtime/tests/vm/dart/regress_55607_test.dart
Fixes https://github.com/dart-lang/sdk/issues/55607

Change-Id: I223ff433daa3d7bcafefc9d91360b16c9554964e
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/365302
Commit-Queue: Alexander Markov <alexmarkov@google.com>
Reviewed-by: Slava Egorov <vegorov@google.com>
2024-05-06 14:12:52 +00:00
Vyacheslav Egorov 84fed14131 [vm] Fix vm:align-loops pragma
Use aligned text offset for instructions when resolving static
calls during relocation.

The vm/dart/align_loops_test is adjusted to cover this issue:
previous we only verified alignment but did not actually run
the generated code, so the bug was undetected.

Issue https://github.com/dart-lang/sdk/issues/55522

TEST=vm/dart/align_loops_test
R=alexmarkov@google.com

Change-Id: I56521c104f91b85150584539f58191cf4592f4f5
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/365144
Reviewed-by: Alexander Markov <alexmarkov@google.com>
Commit-Queue: Slava Egorov <vegorov@google.com>
2024-05-02 07:18:20 +00:00
Alexander Aprelev 842ce8264a [vm/gardening] Skip sendport_api_test on simulators.
The test uses ffi, which is not supported on simulators

TEST=ci

Change-Id: I480a78d041d8e643427d06be741d6596e72d1ec4
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/365183
Commit-Queue: Alexander Aprelev <aam@google.com>
Reviewed-by: Ryan Macnak <rmacnak@google.com>
2024-05-01 18:08:59 +00:00
Alexander Aprelev de4029ee1b [vm/sendports] Introduce an api that can be safely used to rebuild SendPort.
Existing api is not aware of origin_id, which leads to problems when a port gets closed, origin_id can't be properly restored.

Fixes https://github.com/dart-lang/sdk/issues/55605
TEST=vm/dart/sendport_api_test

Change-Id: Ia8a5978a968f6ea643d7921c64146cebf17d2e0e
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/365120
Reviewed-by: Ryan Macnak <rmacnak@google.com>
Commit-Queue: Alexander Aprelev <aam@google.com>
2024-05-01 17:19:16 +00:00
Alexander Markov 6e5aae8e0f [vm] Unsound mode cleanup: remove legacy types from the VM
TEST=ci

Change-Id: I0ade9ebf5dff2b283a2c7e0ff99dc6b56f548ba9
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/364622
Commit-Queue: Alexander Markov <alexmarkov@google.com>
Reviewed-by: Siva Annamalai <asiva@google.com>
2024-04-30 17:49:37 +00:00
Alexander Markov 9ee25d3ce1 Cleanup unsound mode from pkg/vm, frontend_server and dart2native
TEST=ci

Change-Id: Ica8b8b68f69e8f4a8cd5af3375da4a9ff0947c35
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/364602
Reviewed-by: Johnni Winther <johnniwinther@google.com>
Commit-Queue: Alexander Markov <alexmarkov@google.com>
Reviewed-by: Siva Annamalai <asiva@google.com>
2024-04-29 14:18:01 +00:00
Ryan Macnak f02007839d [test_runner] Reduce timeouts.
We've roughly doubled bot speeds; half timeouts to provide pressure against this simply getting filled with slower tests.

Change-Id: I812da7adc6c08e6d484732c2558e0d3f63b2694a
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/364385
Reviewed-by: Alexander Aprelev <aam@google.com>
Reviewed-by: Siva Annamalai <asiva@google.com>
Commit-Queue: Ryan Macnak <rmacnak@google.com>
2024-04-26 21:39:34 +00:00
Lasse R.H. Nielsen b464fc9037 Reland "Tweak expect.dart library."
This reverts commit cd2c566bcf.

Reason for revert: Updating to not remove field used by Flutter engine.

Original change's description:
> Revert "Tweak `expect.dart` library."
>
> This reverts commit ff5f391c0a.
>
> Reason for revert: The expect library is used by Flutter engine, and some of its tests use assertStatementsEnabled. There should be a migration path that doesn't require an atomic change, like adding the replacement api before removing the old one.
>
> Original change's description:
> > Tweak `expect.dart` library.
> >
> > Make API more consistent for a few methods.
> > Reduce the number of language features used in tests:
> > * Never iterating an iterable, always converting it
> >   using `.toList()` first and iterating using indices
> >   (fx `setEquals`).
> >   Also require a `List` in places where an `Iterable`
> >   wasn't necessary.
> > * Avoid doing complicated computations that are also
> >   used for the error message. Do simple check first,
> >   then recompute to get better error messages
> >   (fx `allDistinct`).
> >
> > Renamed some rarely used members for consistency
> > (`stringContainsInOrder`->`containsInOrder`,
> > where other string-contains functions just start
> > with `contains`, and `containsOneOf` -> `containsAny`
> > to match `Iterable.any` phrasing, and also it accepts
> > if containing at least one, not precisely one.)
> >
> > Removed a function that wasn't used anywhere.
> >
> > Moved `assertStatementsEnabled` to `variations.dart` as `asserts`.
> > Removed `typeAssertionsEnabled` and `checkedModeEnabled`. The former used in one place, where it was replaced with `checkedImplicitDowncasts` from `variations.dart`, the latter wasn't used anywhere.
> >
> > Deprecates `package:expect/minitest.dart`. It was never intended
> > to be used for new tests, only as a help to convert existing tests
> > written against `package:unit_test`.
> > All existing imports marked as `// ignore: deprecated_member_use`.
> >
> > Change-Id: I07e21d4c0f3ccf11b82ee34af2668fdbb22264d2
> > Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/352360
> > Reviewed-by: Slava Egorov <vegorov@google.com>
> > Reviewed-by: Ömer Ağacan <omersa@google.com>
> > Reviewed-by: Nate Bosch <nbosch@google.com>
> > Reviewed-by: Stephen Adams <sra@google.com>
> > Commit-Queue: Lasse Nielsen <lrn@google.com>
>
> Change-Id: I360b4347470a0bb2b63c3108e2b83ee2a771bf3f
> No-Presubmit: true
> No-Tree-Checks: true
> No-Try: true
> Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/362020
> Reviewed-by: Nate Bosch <nbosch@google.com>
> Reviewed-by: Ömer Ağacan <omersa@google.com>
> Reviewed-by: Stephen Adams <sra@google.com>
> Reviewed-by: Leaf Petersen <leafp@google.com>
> Bot-Commit: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com>
> Commit-Queue: William Hesse <whesse@google.com>

CoreLibraryReviewExempt: Reland
Change-Id: I53db40edc0733842a008839c3913d51c885e39ab
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/362502
Reviewed-by: Alexander Thomas <athom@google.com>
Reviewed-by: Nate Bosch <nbosch@google.com>
Reviewed-by: Ömer Ağacan <omersa@google.com>
Reviewed-by: Slava Egorov <vegorov@google.com>
Reviewed-by: William Hesse <whesse@google.com>
Commit-Queue: Lasse Nielsen <lrn@google.com>
2024-04-26 15:28:26 +00:00
Daco Harkes c42fd69433 [gardening] Skip test in iso-stress
Closes: https://github.com/dart-lang/sdk/issues/55554
Change-Id: I2ca3ecab0d0f985fb1aa50aa12ded52469d08d8b
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/364323
Reviewed-by: Martin Kustermann <kustermann@google.com>
Commit-Queue: Daco Harkes <dacoharkes@google.com>
2024-04-24 11:00:07 +00:00
Vyacheslav Egorov 2a2781edff [vm] Add vm:align-loops pragma
This pragma forces compiler to align loop headers within the
function by architecture specific boundary: 32 bytes on X64
and ARM64 (with the exception of Apple Silicon, which explicitly
discourages aligning branch targets in the optimization manual).

Current implementation is rather naive and does not do any
attempt to decide whether aligning is actually profitable
based on loop body itself.

I have found this pragma to be helpful both to stabilize
benchmark results and achieve better performance
for tight loops on Intel hardware.

Issue https://github.com/dart-lang/sdk/issues/55522

TEST=vm/dart/align_loops_test

Cq-Include-Trybots: luci.dart.try:vm-aot-linux-product-x64-try,vm-aot-linux-debug-x64c-try,vm-aot-linux-debug-x64-try,vm-aot-linux-release-arm64-try,vm-aot-linux-release-simarm_x64-try,vm-aot-linux-release-x64-try,vm-aot-mac-product-arm64-try,vm-aot-mac-release-arm64-try,vm-aot-mac-release-x64-try,vm-aot-obfuscate-linux-release-x64-try,vm-aot-optimization-level-linux-release-x64-try,vm-aot-win-release-x64-try,vm-aot-win-debug-arm64-try,vm-aot-win-debug-x64-try,vm-aot-win-debug-x64c-try,vm-aot-win-product-x64-try,vm-aot-win-release-arm64-try,vm-aot-linux-debug-simarm_x64-try,vm-aot-linux-debug-simriscv64-try,vm-aot-dwarf-linux-product-x64-try,vm-aot-android-release-arm64c-try,vm-aot-android-release-arm_x64-try
Change-Id: Ic22fb90d85e7fdebeeaa3908a43328c59436ab58
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/364121
Reviewed-by: Alexander Markov <alexmarkov@google.com>
Commit-Queue: Slava Egorov <vegorov@google.com>
2024-04-24 08:52:18 +00:00
Alexander Markov c04da2f81f [vm/compiler] Avoid load forwarding for weak fields
TEST=runtime/tests/vm/dart/weak_field_load_forwarding_il_test.dart
Fixes https://github.com/dart-lang/sdk/issues/55518

Change-Id: I4576b25ba8f88fe5bb1bd319baa5980fe22cccce
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/364201
Reviewed-by: Ryan Macnak <rmacnak@google.com>
Reviewed-by: Slava Egorov <vegorov@google.com>
Commit-Queue: Alexander Markov <alexmarkov@google.com>
2024-04-23 22:01:13 +00:00
Ryan Macnak ce99413b5d [vm] Inform the profiler we're not running Dart code when calling out to memmove etc.
Otherwise the profiler may misinterpret a C frame as a Dart frame, and crash if the C frame has optimized away frame pointers.

TEST=profiler_memmove_test
Bug: https://github.com/dart-lang/sdk/issues/55537
Change-Id: Idb53804cea78e15f12e893a46be812aa8702c94b
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/363962
Commit-Queue: Ryan Macnak <rmacnak@google.com>
Reviewed-by: Alexander Markov <alexmarkov@google.com>
2024-04-23 17:35:09 +00:00
Martin Kustermann 687a955ac3 [gardening] Remove dart/isolates/reload_many_isolates_test from iso-stress list
There's no reason for this test, which itself spawns subprocesses and
reloads them via vm-service API to be running as part of iso-stress
builder.

(It causes flaky `Bad state: WebSocket is closed` failures on iso-stress
atm)

Change-Id: I3df7198defb42bd830b1b96ee4083ce61f6b67d4
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/364102
Commit-Queue: Martin Kustermann <kustermann@google.com>
Reviewed-by: Daco Harkes <dacoharkes@google.com>
2024-04-23 10:47:33 +00:00
Tess Strickland 1774314a04 [vm/test] Fix flakiness of vm/dart/use_dwarf_stack_traces_flag_test.
Previously, Internal_randomInstructionsOffsetInsideAllocateObjectStub
assumed the entry point is at the start of the instructions payload when
choosing a random offset into the instructions payload.  However, most
of our architectures have non-zero entry point offsets.

Instead, replace it with two methods, one that returns the start
(inclusive) and one that returns the end (exclusive) of the
AllocateObject stub instructions payload and have the test choose
points inside and outside of that range to test.

TEST=vm/dart/use_dwarf_stack_traces_flag_test

Fixes: https://github.com/dart-lang/sdk/issues/50286
Cq-Include-Trybots: luci.dart.try:vm-aot-dwarf-linux-product-x64-try,vm-aot-linux-release-x64-try,vm-aot-linux-debug-x64-try,vm-aot-mac-release-arm64-try,vm-aot-mac-product-arm64-try
Change-Id: Ia8965c72fbc6f6d2c178778a32f8083923a8b243
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/363080
Reviewed-by: Alexander Markov <alexmarkov@google.com>
Auto-Submit: Tess Strickland <sstrickl@google.com>
Commit-Queue: Tess Strickland <sstrickl@google.com>
2024-04-23 09:45:21 +00:00
Alexander Markov 33efdcd76a [gardening] Fix vm/dart/gen_snapshot_include_resolved_urls_test
Fix gen_kernel path (on Windows) and --packages flag.

TEST=ci
Issue: https://github.com/dart-lang/sdk/issues/55537
Change-Id: I6fcfab30da855978c92bf0d7d4d543f59bf382f0
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/363940
Commit-Queue: Alexander Markov <alexmarkov@google.com>
Reviewed-by: Alexander Aprelev <aam@google.com>
2024-04-22 17:29:49 +00:00
Tess Strickland b1b3e34b88 [vm] Add non-symbolic stack trace support for deferred loading units.
Dart VM changes:

Note that the following changes are backwards compatible in the
case that a Dart program has no deferred loading units (i.e., the
Dart program is contained in a single shared object snapshot).

When there are non-root loading units, the non-symbol stack trace
header now includes information about loading units as follows:

loading_unit: N, build_id: S, dso_base: A, instructions: A

where N is an integer, S is a string of hex digits (0-9a-f), and A
is a word-sized address printed as a hex string (without prefix).

In addition, all non-symbolic stack frames for isolate instructions
include a unit field, including those for the root loading unit, e.g.,

   #NN abs <address> unit <id> virt <address> <symbol>+<offset>

If there are no non-root loading units, then the non-symbolic stack
trace is unchanged from its previous format.

Adds a build ID to split deferred loading unit snapshots.
Fixes: https://github.com/dart-lang/sdk/issues/43516

If separate debugging information is requested, the loading unit
manifest includes a 'debugPath' field for each loading unit,
which contains the path to its separate debugging information.

Removes the attempt to store the relocated address of the instructions
section when running from an assembled snapshot in the initialized BSS.

Adds OS::GetAppDSOBase, which takes a pointer to the instructions
section and returns a pointer to its loaded shared object in memory.
For compiled-to-ELF snapshots, it does this using the relocated address
of the instructions in the Image, and for assembled snapshots, it
delegates to NativeSymbolResolver::LookupSharedObject.

-----

Changes to package:native_stack_traces:

PCOffset now has two new fields:

* int? unitId: the unit ID of the loading unit, when available.
* String? buildId: the build ID of the loading unit, when available.

For PCOffsets in the VM section, the unitId and buildId are those of
the root loading unit.

The constructor for the DwarfStackTraceDecoder now takes two
additional optional named arguments:

* Map<int, Dwarf>? dwarfByUnitId: A map associating loading unit IDs
  with the appropriate Dwarf object. May or may not contain an entry
  for the root loading unit.
* Iterable<Dwarf>? unitDwarfs: An iterable container holding Dwarf
  objects. May or may not contain an entry for the root loading unit.

The Dwarf object that is passed to the DwarfStackTraceDecoder as a
positional argument is used for all lookups within the root loading
unit. If the dwarfByUnitId or unitDwarfs arguments contain an entry
for the root loading unit, it should be the same as the positional
argument.

When decoding a non-symbolic stack frame with a non-root loading unit
id, the decoder first looks in the map for the appropriate Dwarf object.
If one is not found, the decoder uses the build ID for the loading unit
to find the appropriate Dwarf object in the iterable container. If an
appropriate Dwarf object cannot be found in either manner, the
non-symbolic stack frame is emitted without change.

The native_stack_traces:decode executable now takes two additional
multi-options for the translate command:

* -u, --unit_debug: Takes a path to the associated DWARF information.
* --unit_id_debug: Takes N=FILE, where N is the loading unit ID and
  FILE is a path to the associated DWARF information.

The arguments to -u are collected into an iterable container to be
passed as the unitDwarfs argument to the DwarfStackTraceDecoder, and
the arguments to --unit-id-debug are collected into a map to be passed
as the dwarfByUnitId argument.

TEST=vm/dart/use_dwarf_stack_traces_flag_deferred

Issue: https://github.com/dart-lang/sdk/issues/53902
Change-Id: I210d4f69e4ae9fd37275a96beb1aac55c5e9d080
Cq-Include-Trybots: luci.dart.try:vm-aot-dwarf-linux-product-x64-try,vm-aot-linux-release-x64-try,vm-aot-linux-debug-x64-try,vm-aot-mac-release-arm64-try,vm-aot-mac-product-arm64-try
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/362380
Reviewed-by: Ryan Macnak <rmacnak@google.com>
Commit-Queue: Tess Strickland <sstrickl@google.com>
2024-04-19 08:10:18 +00:00
Alexander Markov 20029533b8 [vm/compiler] Fix stack map for the catch block entry PC
Parameters of catch block entry corresponding to the exception and
stack trace are live only after catch block entry, and they should not be
scanned by GC if it occurs at catch block entry PC before control is
transferred to the catch block.

TEST=runtime/tests/vm/dart/regress_55442_test.dart
Fixes https://github.com/dart-lang/sdk/issues/55442

Change-Id: I09b8152544eb14187ad62a11902e080d41722bf4
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/363423
Reviewed-by: Slava Egorov <vegorov@google.com>
Commit-Queue: Alexander Markov <alexmarkov@google.com>
2024-04-18 13:42:21 +00:00
Alexander Markov ad95bb6f89 Reland "[vm] Implement typed data view GetIndexed in flow graph builder"
This is a reland of commit a7e2dce0cc

Fixes the crash during code generation when typed data view
LoadIndexed was used on an internal typed data array
(in the unreachable code path) without loading its payload.

TEST=runtime/tests/vm/dart/regress_b_334128316_test.dart
TEST=manually verified repro from b/334128316

Original change's description:
> [vm] Implement typed data view GetIndexed in flow graph builder
>
> Typed data view 'operator []' is now implemented in the flow
> graph builder. This unifies all typed data GetIndexed operations
> and removes unnecessary address calculations.
>
> TEST=ci
>
> Change-Id: I8d2ca6e7c7bf18b2590536a643f92cad5beb6d95
> Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/361283
> Reviewed-by: Tess Strickland <sstrickl@google.com>
> Commit-Queue: Alexander Markov <alexmarkov@google.com>
> Reviewed-by: Slava Egorov <vegorov@google.com>

Change-Id: I3786fa17e971f8ba6cd01a57f1a68504bf24bc47
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/362821
Reviewed-by: Tess Strickland <sstrickl@google.com>
Commit-Queue: Alexander Markov <alexmarkov@google.com>
Reviewed-by: Slava Egorov <vegorov@google.com>
2024-04-16 14:39:48 +00:00
Alexander Markov 8a4c626086 Revert "[vm] Implement typed data view GetIndexed in flow graph builder"
This reverts commit a7e2dce0cc.

Reason for revert: VM crash (b/334128316)

Original change's description:
> [vm] Implement typed data view GetIndexed in flow graph builder
>
> Typed data view 'operator []' is now implemented in the flow
> graph builder. This unifies all typed data GetIndexed operations
> and removes unnecessary address calculations.
>
> TEST=ci
>
> Change-Id: I8d2ca6e7c7bf18b2590536a643f92cad5beb6d95
> Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/361283
> Reviewed-by: Tess Strickland <sstrickl@google.com>
> Commit-Queue: Alexander Markov <alexmarkov@google.com>
> Reviewed-by: Slava Egorov <vegorov@google.com>

TEST=ci

Change-Id: I4c5b2e16d1218b92b717c4d0e8eea548d3113eab
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/362620
Reviewed-by: Siva Annamalai <asiva@google.com>
Commit-Queue: Alexander Markov <alexmarkov@google.com>
2024-04-12 19:46:56 +00:00
Alexander Aprelev 62ef193d1a [vm/asserts] Keep asserts lines and source snippets in AOT.
TEST=vm/dart/asserts_test
Fixes https://github.com/dart-lang/sdk/issues/34110

Change-Id: I9f186e7833a30b98739ed7fde6064cc47d14d5c4
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/362198
Commit-Queue: Alexander Aprelev <aam@google.com>
Reviewed-by: Alexander Markov <alexmarkov@google.com>
2024-04-12 19:42:15 +00:00
Alexander Markov a7e2dce0cc [vm] Implement typed data view GetIndexed in flow graph builder
Typed data view 'operator []' is now implemented in the flow
graph builder. This unifies all typed data GetIndexed operations
and removes unnecessary address calculations.

TEST=ci

Change-Id: I8d2ca6e7c7bf18b2590536a643f92cad5beb6d95
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/361283
Reviewed-by: Tess Strickland <sstrickl@google.com>
Commit-Queue: Alexander Markov <alexmarkov@google.com>
Reviewed-by: Slava Egorov <vegorov@google.com>
2024-04-12 15:48:22 +00:00
Alexander Markov f7da92044a [gardening] Remove deleted vm/dart/regress_49279_test.dart from stress_test_list.json
TEST=ci

Change-Id: I1ba0fbb1c34e6046b21dedfc28bbc403c9e2843d
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/362163
Reviewed-by: Alexander Aprelev <aam@google.com>
Auto-Submit: Alexander Markov <alexmarkov@google.com>
Commit-Queue: Alexander Markov <alexmarkov@google.com>
2024-04-10 19:52:54 +00:00
Alexander Markov a6ded2fd08 [vm] Unsound mode cleanup: remove --strict_null_safety_checks
This flag only makes sense without sound null safety. VM no longer
supports unsound mode, so it can be removed.

In sound mode this flag is always true.

TEST=ci

Change-Id: I4a5fa60d9b351b6281efab9462ef2dd2c5565a7c
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/362182
Reviewed-by: Siva Annamalai <asiva@google.com>
Commit-Queue: Alexander Markov <alexmarkov@google.com>
2024-04-10 19:19:31 +00:00