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Bug 1895837 - Undo bug 1768099. r=decoder

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Whatever issues there were with detect_stack_use_after_return during the
clang trunk cycle for clang 15 seem to be gone.

On the other hand, changes in clang 18 trigger a bug[1] that causes stack
misalignment in AVX-512 code when detect_stack_use_after_return is
disabled.

1. https://github.com/llvm/llvm-project/issues/91565

Differential Revision: https://phabricator.services.mozilla.com/D209907
This commit is contained in:
Mike Hommey 2024-05-13 21:01:43 +00:00
parent 262ab1eb30
commit ef436edc50
1 changed files with 0 additions and 3 deletions
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3
mozglue/build/AsanOptions.cpp
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@ -57,8 +57,6 @@
// fast_unwind_on_fatal - Use the fast (frame-pointer-based) stack unwinder
// to print fatal error reports. The slow unwinder doesn't work on Android.
//
// detect_stack_use_after_return=0 - Work around bug 1768099.
//
// intercept_tls_get_addr=0 - Work around
// https://github.com/google/sanitizers/issues/1322 (bug 1635327).
//
@ -78,7 +76,6 @@ extern "C" MOZ_ASAN_IGNORE const char* __asan_default_options() {
":malloc_fill_byte=228:free_fill_byte=229"
":handle_sigill=1"
":allocator_may_return_null=1"
":detect_stack_use_after_return=0"
":intercept_tls_get_addr=0";
}