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| author | Martin Liska <mliska@suse.cz> | 2022-11-07 09:55:28 +0100 |
|---|---|---|
| committer | Martin Liska <mliska@suse.cz> | 2022-11-07 09:55:28 +0100 |
| commit | 33f5dde0cd15df9cf89b29280d4ff5fcf7b30e66 (patch) | |
| tree | d7311de992568a7d952a4e9af8891041d34394c4 /gcc/doc | |
| parent | 1b09b78ee61bd921ae78ebd0f7905b95b9e1c903 (diff) | |
| parent | a8fb90eb3949bfb101bd6f50f24a029e10119591 (diff) | |
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Merge branch 'master' into devel/sphinx
Diffstat (limited to 'gcc/doc')
| -rw-r--r-- | gcc/doc/invoke.texi | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi index b9a5640..b2083ec 100644 --- a/gcc/doc/invoke.texi +++ b/gcc/doc/invoke.texi @@ -16464,9 +16464,10 @@ by this option. @end table -Note the enabled sanitizer options tend to increase a false-positive rate -of selected warnings, most notably @option{-Wmaybe-uninitialized}. -And thus we recommend to disable @option{-Werror}. +Note that sanitizers tend to increase the rate of false positive +warnings, most notably those around @option{-Wmaybe-uninitialized}. +We recommend against combining @option{-Werror} and [the use of] +sanitizers. While @option{-ftrapv} causes traps for signed overflows to be emitted, @option{-fsanitize=undefined} gives a diagnostic message. |