Re: *PING* [PATCH] doc: improve -fsanitize=undefined description

[Diane Meirowitz <diane.meirowitz@oracle.com>]

Richard,

Thank you!

Diane

> On Oct 11, 2021, at 12:15 PM, Richard Sandiford <richard.sandiford@arm.com> wrote:
> 
> Diane Meirowitz via Gcc-patches <gcc-patches@gcc.gnu.org> writes:
>> Please review my patch. It is tiny. Thank you.
> 
> Thanks for the patch and sorry for the very slow response.
> I've now pushed this to master and all active branches.
> 
> Thanks,
> Richard
> 
>> Diane
>> 
>> On 9/15/21, 5:02 PM, "Diane Meirowitz" <diane.meirowitz@oracle.com> wrote:
>> 
>> 
>>        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.
>> 
>>    diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi
>>    index 78cfc100ac2..f022885edf8 100644
>>    --- a/gcc/doc/invoke.texi
>>    +++ b/gcc/doc/invoke.texi
>>    @@ -15200,7 +15200,8 @@ 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://urldefense.com/v3/__https://clang.llvm.org/docs/UndefinedBehaviorSanitizer.html__;!!ACWV5N9M2RV99hQ!dN9bn2CtYUf6VFb3UO4i75Zzr6HpusAphlsd6n2QvKtF42rMqfoQhVZ3ZGKy-lviZid-$ } for more details.   The run-time behavior can be influenced using the
>>    +@env{UBSAN_OPTIONS} environment variable.  Current suboptions are:
>> 
>>    @table @gcctabopt