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Alexander Markov 47abd96c5b Reland "[vm] Fix CompileType::CanBeFuture()" 
This is a reland of commit 6f4bed30cc

Original change's description:
> [vm] Fix CompileType::CanBeFuture()
>
> In certain cases compiler can omit a type check in 'await e' if it can
> prove that expression 'e' cannot be evaluated to Future.
>
> Previously, if actual type of 'e' is unknown, CompileType::CanBeFuture()
> tested if static type of 'e' is a subtype of Future.
>
> This is not correct, as static type could have a subtype which is also
> a subtype of Future, but static type itself is not a subtype of Future:
>
> class A {}
> class B implements A, Future<A> {}
>
> A e = confuse(B()); // 'e' is B, but has a static type A.
> await e;            // A is not a subtype of Future, but 'e' is Future
>                     // and should be awaited.
>

TEST=language/async/await_flatten_test
Fixes https://github.com/dart-lang/sdk/issues/52585

Change-Id: I37add9021261c95dee5930e031187868e821c161
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/309481
Commit-Queue: Alexander Markov <alexmarkov@google.com>
Reviewed-by: Ryan Macnak <rmacnak@google.com>
2023-06-15 00:34:18 +00:00
..
abstract
Migrate "a" directory language tests off @compile-error.
2023-04-20 20:50:39 +00:00
accessor_conflict
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argument
[analyzer] NOT_ENOUGH_POSITIONAL_ARGUMENTS
2022-10-11 17:56:11 +00:00
assert
[dart2wasm] Emit code for assert initializers.
2023-01-05 00:23:40 +00:00
assign
[analyzer] Issue 37238: Multiple errors for type mismatch assignments.
2023-05-19 16:27:58 +00:00
async
Reland "[vm] Fix CompileType::CanBeFuture()"
2023-06-15 00:34:18 +00:00
async_nested
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async_star
[tests] Fix expectations in language/async_star/async_star_await_for_test
2023-02-27 16:25:50 +00:00
await
[tests] Avoid small --optimization-counter-threshold in tests
2022-10-10 21:04:18 +00:00
bool
Remove uses of : as default value separator in some tests/ directories.
2022-09-07 14:49:17 +00:00
call
Clean up a number of 2.19 opt outs in language tests.
2023-03-17 16:17:50 +00:00
canonicalize
Spelling tests language
2022-12-19 16:30:06 +00:00
cascade
Remove nbsp
2022-10-17 08:18:49 +00:00
class
Remove left-over patch declarations for List constructor.
2023-04-22 00:38:28 +00:00
class_modifiers
[cfe] Change error message for mixin subtype restriction.
2023-06-14 14:28:48 +00:00
closure
[dart2wasm] Fix instantiation closure equality
2023-03-08 15:42:26 +00:00
compile_time_constant
[analyzer] Issue 37238: Multiple errors for type mismatch assignments.
2023-05-19 16:27:58 +00:00
const
[analyzer] Issue 37238: Multiple errors for type mismatch assignments.
2023-05-19 16:27:58 +00:00
const_functions
opt assignable_expression_test into 2.19
2023-02-27 22:48:51 +00:00
constants_2018
[flip-patterns] Update language/constants_2018/equals_test.dart for primitive equality.
2023-03-03 23:39:37 +00:00
constructor
Migrate "c" directory language tests off @compile-error.
2023-04-20 19:10:58 +00:00
control_flow_collections
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covariant
update covariant setter test to test mixin class behavior also
2023-03-17 17:38:49 +00:00
covariant_override
Clean up a number of 2.19 opt outs in language tests.
2023-03-17 16:17:50 +00:00
deferred
Clean up a number of 2.19 opt outs in language tests.
2023-03-17 16:17:50 +00:00
double
…
double_literals
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dynamic
[dart2wasm] Fix invocation forwarder named argument adjustment
2023-01-10 13:37:33 +00:00
enum
[flip-modifiers] opt out from class modifiers some failing front end language tests
2023-03-02 20:40:20 +00:00
exception
Migrate "e" and "f" directory language tests off @compile-error.
2023-04-20 20:49:17 +00:00
export
Migrate "e" and "f" directory language tests off @compile-error.
2023-04-20 20:49:17 +00:00
extension_methods
Fix typos
2022-06-10 15:48:54 +00:00
external_abstract_fields
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factory
Migrate "e" and "f" directory language tests off @compile-error.
2023-04-20 20:49:17 +00:00
field
Migrate "e" and "f" directory language tests off @compile-error.
2023-04-20 20:49:17 +00:00
final
Migrate "e" and "f" directory language tests off @compile-error.
2023-04-20 20:49:17 +00:00
function
Spelling tests language
2022-12-19 16:30:06 +00:00
function_subtype
Spelling tests standalone
2023-01-23 12:55:22 +00:00
function_type
Remove uses of : as default value separator in some tests/ directories.
2022-09-07 14:49:17 +00:00
generic
Migrate "g" - "i" directory language tests off @compile-error.
2023-04-19 22:09:18 +00:00
generic_methods
Fix tearoff of methods from promotable variables.
2023-04-03 19:39:59 +00:00
getter
Migrate "g" - "i" directory language tests off @compile-error.
2023-04-19 22:09:18 +00:00
identifier
[cfe] Remove extra conditions on await-for in non-async body check
2023-05-09 06:56:44 +00:00
identity
…
if
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if_null
Issue 48004. Report when null-aware operator is used on type.
2022-05-29 19:03:15 +00:00
implicit_creation
Switch cases are no longer const contexts with patterns.
2023-02-28 01:34:26 +00:00
implicit_downcast_during
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import
Migrate "g" - "i" directory language tests off @compile-error.
2023-04-19 22:09:18 +00:00
inference
Migrate "g" - "i" directory language tests off @compile-error.
2023-04-19 22:09:18 +00:00
inference_update_1
Retire experiment flags introduced in 2.18.
2022-12-15 13:18:50 +00:00
inference_update_2
Field promotion: distinguish between this. and super. accesses.
2023-05-19 18:29:49 +00:00
initializing_formal
Migrate "g" - "i" directory language tests off @compile-error.
2023-04-19 22:09:18 +00:00
instance
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instantiate_to_bound
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interceptor
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interface
Remove left-over patch declarations for List constructor.
2023-04-22 00:38:28 +00:00
invalid_returns
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is
Issue 51323. Don't parse RecordLiteral(s) before language 3.0
2023-05-26 18:22:34 +00:00
label
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lazy
Spelling tests
2023-01-19 16:24:29 +00:00
least_upper_bound
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library
Spelling tests language
2022-12-19 16:30:06 +00:00
list
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loop
Migrate "l" and "m" directory language tests off @compile-error.
2023-04-20 17:51:42 +00:00
main
[cfe] Support injected members in export scope
2023-05-24 09:21:20 +00:00
malbounded
Migrate "l" and "m" directory language tests off @compile-error.
2023-04-20 17:51:42 +00:00
malformed
Migrate "l" and "m" directory language tests off @compile-error.
2023-04-20 17:51:42 +00:00
map
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metadata
Remove uses of : as default value separator in some tests/ directories.
2022-09-07 14:49:17 +00:00
method
Spelling pkg dev compiler
2023-01-26 09:12:41 +00:00
mixin
Migrate "l" and "m" directory language tests off @compile-error.
2023-04-20 17:51:42 +00:00
mixin_constructor_forwarding
Set tests that have mixin errors as 2.19.
2023-03-01 15:03:39 +00:00
mixin_declaration
Migrate "l" and "m" directory language tests off @compile-error.
2023-04-20 17:51:42 +00:00
mixin_legacy
Migrate "l" and "m" directory language tests off @compile-error.
2023-04-20 17:51:42 +00:00
named_arguments_anywhere
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new
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nnbd
[test] Do not run test with legacy library in sound null safe mode
2023-05-22 20:23:36 +00:00
no_such_method
Migrate "n" through "p" directory language tests off @compile-error.
2023-04-20 17:56:18 +00:00
nonfunction_type_aliases
Issue 52272. Report DEPRECATED_MIXIN_FUNCTION in more places.
2023-05-05 20:02:28 +00:00
nosuchmethod_forwarding
Remove uses of : as default value separator in some tests/ directories.
2022-09-07 14:49:17 +00:00
null
[flip-modifiers] opt out from class modifiers some failing front end language tests
2023-03-02 20:40:20 +00:00
null_aware
Flag additional code as unreachable due to types Null and Never.
2022-08-22 16:50:19 +00:00
number
Fix web_int_literals_test.dart.
2023-04-25 21:28:39 +00:00
operator
Migrate "n" through "p" directory language tests off @compile-error.
2023-04-20 17:56:18 +00:00
optimize
Migrate "n" through "p" directory language tests off @compile-error.
2023-04-20 17:56:18 +00:00
override
…
parameter
Migrate "n" through "p" directory language tests off @compile-error.
2023-04-20 17:56:18 +00:00
part
[cfe] Include import paths in error for unavailable dart: libraries
2022-11-08 14:54:17 +00:00
patterns
Issue 51323. Don't parse RecordLiteral(s) before language 3.0
2023-05-26 18:22:34 +00:00
prefix
…
private
pre-emptively fix some tests for class modifiers flag flip
2023-03-01 20:11:25 +00:00
propagate
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records
[test] Test for records as keys in const collections
2023-06-14 00:59:37 +00:00
redirecting
Remove uses of : as default value separator in some tests/ directories.
2022-09-07 14:49:17 +00:00
reg_exp
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regress
[cfe] Fix for transforming record literals to const records with unevaluated const elements.
2023-06-01 15:36:24 +00:00
resolution
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return
Migrate "r" directory language tests off @compile-error.
2023-04-19 23:35:16 +00:00
rewrite
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scaling
[vm] Increase supported range of TypeParameters to 16 bits.
2022-12-14 23:34:18 +00:00
script
Migrate "s" directory language tests off @compile-error.
2023-04-20 17:59:44 +00:00
sealed_class
[analyzer/cfe] Update abstract sealed error message.
2023-04-20 19:54:30 +00:00
set_literals
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setter
Migrate "s" directory language tests off @compile-error.
2023-04-20 17:59:44 +00:00
spread_collections
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stack_trace
…
static
Migrate "s" directory language tests off @compile-error.
2023-04-20 17:59:44 +00:00
string
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subtyping_static
…
super
Migrate "s" directory language tests off @compile-error.
2023-04-20 17:59:44 +00:00
superinterface_variance
Set tests that have mixin errors as 2.19.
2023-03-01 15:03:39 +00:00
switch
Migrate "s" directory language tests off @compile-error.
2023-04-20 17:59:44 +00:00
symbol
…
sync_star
Test for yield* of Iterable with throwing get:iterator
2023-04-14 22:04:28 +00:00
syntax
[test] Extract test for "native"
2023-02-01 10:06:37 +00:00
this
Remove uses of : as default value separator in some tests/ directories.
2022-09-07 14:49:17 +00:00
top_level
Migrate "t" directory language tests off @compile-error.
2023-04-20 19:55:31 +00:00
type
Migrate "t" directory language tests off @compile-error.
2023-04-20 19:55:31 +00:00
type_object
Fix typos
2022-06-15 11:08:28 +00:00
type_promotion
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type_variable
Migrate "t" directory language tests off @compile-error.
2023-04-20 19:55:31 +00:00
typedef
Migrate "t" directory language tests off @compile-error.
2023-04-20 19:55:31 +00:00
unsorted
Migrate "u" and "v" directory language tests off @compile-error.
2023-04-20 22:33:22 +00:00
value_class
…
variable
Fix year and comma in header.
2023-02-08 17:45:40 +00:00
variance
[cfe,analyzer] Share experimental flags for the parser
2022-11-17 11:32:01 +00:00
vm
[test] Update language/vm/type_cast_vm_test for AOT
2023-05-19 19:48:38 +00:00
void
Migrate "u" and "v" directory language tests off @compile-error.
2023-04-20 22:33:22 +00:00
why_not_promoted
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await_type_error_test.dart
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await_type_test.dart
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dynamic_type_helper.dart
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explicit_type_instantiation_parsing_test.dart
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language_analyzer.status
[tests] Cleanup test with absent deferred library
2022-11-03 17:06:42 +00:00
language_dart2js.status
[dart2js, ddc] Skip flaky tests
2023-02-13 23:44:59 +00:00
language_dart2wasm.status
Fix web_int_literals_test.dart.
2023-04-25 21:28:39 +00:00
language_dartdevc.status
[ddc] Temporarily skip tests that timeout
2023-05-11 23:03:38 +00:00
language_kernel.status
Fix web_int_literals_test.dart.
2023-04-25 21:28:39 +00:00
language_precompiled.status
[tests] Fix expectations in language/async_star/async_star_await_for_test
2023-02-27 16:25:50 +00:00
language_spec_parser.status
Spelling tests language
2022-12-19 16:30:06 +00:00
language_vm.status
[tests] Fix expectations in language/async_star/async_star_await_for_test
2023-02-27 16:25:50 +00:00
language.status
[test] Update language/vm/type_cast_vm_test for AOT
2023-05-19 19:48:38 +00:00
library1.dart
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library2.dart
…
library10.dart
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library11.dart
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library12.dart
…
record_literal_problems_test.dart
Add documentation for new diagnostics
2023-03-21 00:36:23 +00:00
record_literal_test.dart
[tests, benchmarks] Reformat using new Dart formatter
2023-03-01 18:15:09 +00:00
record_type_empty_problems_test.dart
Add documentation for new diagnostics
2023-03-21 00:36:23 +00:00
record_type_problems_test.dart
Add documentation for new diagnostics
2023-03-21 00:36:23 +00:00
record_type_test.dart
[tests, benchmarks] Reformat using new Dart formatter
2023-03-01 18:15:09 +00:00
static_type_helper.dart
…
static_weak_reference_error_test.dart
[dart2js] Static weak references to method tearoffs
2023-03-02 20:04:19 +00:00
static_weak_reference_function_apply_test.dart
[dart2js] Static weak references to method tearoffs
2023-03-02 20:04:19 +00:00
static_weak_reference_test.dart
[dart2js] Static weak references to method tearoffs
2023-03-02 20:04:19 +00:00
syntax_helper.dart
…