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Diffstat (limited to 'gcc/doc/invoke.texi')
| -rw-r--r-- | gcc/doc/invoke.texi | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi index c72ec5b..1176d12 100644 --- a/gcc/doc/invoke.texi +++ b/gcc/doc/invoke.texi @@ -10007,6 +10007,14 @@ for which this feature is experimental. accepted, the former enables recovery for all sanitizers that support it, the latter disables recovery for all sanitizers that support it. +Even if a recovery mode is turned on the compiler side, it needs to be also +enabled on the runtime library side, otherwise the failures are still fatal. +The runtime library defaults to @code{halt_on_error=0} for +ThreadSanitizer and UndefinedBehaviorSanitizer, while default value for +AddressSanitizer is @code{halt_on_error=1}. This can overridden through +the following environment variables: @env{ASAN_OPTIONS}, @env{TSAN_OPTIONS}, +@env{UBSAN_OPTIONS}. + Syntax without explicit @var{opts} parameter is deprecated. It is equivalent to @smallexample -fsanitize-recover=undefined,float-cast-overflow,float-divide-by-zero |