sdk/runtime at 606a1e76be516f91a5676aba29326ea5bfbd65c3 - sdk

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Martin Kustermann 606a1e76be [vm/concurrency] Ensure fixes to switchable call (due to disabled code) is correctly performed

If two mutators concurrently execute a switchable call that targets a
code object which has been disabled, they both go to runtime trying to
fix that switchable call site's object pool.

This Cl ensures we use the same logic as for other miss handlers to
ensure we properly guard against concurrent accesses.

The attached regression test will trigger a segfault - though only
with low probability.

Fixes https://github.com/dart-lang/sdk/issues/46539

TEST=vm/dart{,_2}/isolates/regress_46539_test

Change-Id: I91d84d25d74fb742ea992016a581b118345dd404
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/205649
Commit-Queue: Martin Kustermann <kustermann@google.com>
Reviewed-by: Slava Egorov <vegorov@google.com>

2021-07-02 12:47:31 +00:00

bin

[vm] Prefix HOST_OS_* and TARGET_OS_* with DART_

2021-07-02 06:02:48 +00:00

docs

[VM/docs] Fix typos in types.md

2021-06-30 21:33:10 +00:00

include

[vm] Fix gcc build.

2021-07-02 00:45:53 +00:00

lib

[vm/concurrency] Ensure fixes to switchable call (due to disabled code) is correctly performed