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| author | Martin Liska <mliska@suse.cz> | 2020-12-07 15:55:59 +0100 |
|---|---|---|
| committer | Martin Liska <mliska@suse.cz> | 2020-12-16 10:25:32 +0100 |
| commit | 8833eab4461b4b7050f06a231c3311cc1fa87523 (patch) | |
| tree | 311bae63eda19649eb32f3383b3408d1e7891598 /gcc/common.opt | |
| parent | 5c5eb7e4872025e8d5e8ae2f0e568403f7c8803d (diff) | |
| download | gcc-8833eab4461b4b7050f06a231c3311cc1fa87523.zip gcc-8833eab4461b4b7050f06a231c3311cc1fa87523.tar.gz gcc-8833eab4461b4b7050f06a231c3311cc1fa87523.tar.bz2 | |
Add -Wtsan.
gcc/ChangeLog:
PR sanitizer/97868
* common.opt: Add new warning -Wtsan.
* doc/invoke.texi: Likewise.
* tsan.c (instrument_builtin_call): Warn users about unsupported
std::atomic_thread_fence.
gcc/testsuite/ChangeLog:
PR sanitizer/97868
* gcc.dg/tsan/atomic-fence.c: New test.
Diffstat (limited to 'gcc/common.opt')
| -rw-r--r-- | gcc/common.opt | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/gcc/common.opt b/gcc/common.opt index 6645539..4ab5fe4 100644 --- a/gcc/common.opt +++ b/gcc/common.opt @@ -842,6 +842,10 @@ Wvector-operation-performance Common Var(warn_vector_operation_performance) Warning Warn when a vector operation is compiled outside the SIMD. +Wtsan +Common Var(warn_tsan) Init(1) Warning +Warn about unsupported features in ThreadSanitizer. + Xassembler Driver Separate |