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| author | Diane Meirowitz <diane.meirowitz@oracle.com> | 2021-09-15 21:03:00 +0000 |
|---|---|---|
| committer | Richard Sandiford <richard.sandiford@arm.com> | 2021-10-11 17:08:06 +0100 |
| commit | 1c0a83eff7bb5b1db997a9726ae6542aec893baa (patch) | |
| tree | d3dbe25df02e1c3c42bdbf07c9994308256be79e | |
| parent | f858239830b9c791d8bbc692378137b4a725b735 (diff) | |
| download | gcc-1c0a83eff7bb5b1db997a9726ae6542aec893baa.zip gcc-1c0a83eff7bb5b1db997a9726ae6542aec893baa.tar.gz gcc-1c0a83eff7bb5b1db997a9726ae6542aec893baa.tar.bz2 | |
doc: improve -fsanitize=undefined description
gcc/ChangeLog:
* doc/invoke.texi: Add link to UndefinedBehaviorSanitizer
documentation, mention UBSAN_OPTIONS, similar to what is done
for AddressSanitizer.
| -rw-r--r-- | gcc/doc/invoke.texi | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi index 8b3ebcf..c4c6532 100644 --- a/gcc/doc/invoke.texi +++ b/gcc/doc/invoke.texi @@ -15247,7 +15247,8 @@ The option cannot be combined with @option{-fsanitize=thread}. @opindex fsanitize=undefined Enable UndefinedBehaviorSanitizer, a fast undefined behavior detector. Various computations are instrumented to detect undefined behavior -at runtime. Current suboptions are: +at runtime. See @uref{https://clang.llvm.org/docs/UndefinedBehaviorSanitizer.html} for more details. The run-time behavior can be influenced using the +@env{UBSAN_OPTIONS} environment variable. Current suboptions are: @table @gcctabopt |