[Bug sanitizer/108094] gcc trunk's ASAN at -O2 and above did not report a stack-use-after-return

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108094

Martin Liška <marxin at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|---                         |INVALID
             Status|UNCONFIRMED                 |RESOLVED

--- Comment #1 from Martin Liška <marxin at gcc dot gnu.org> ---
gcc pr108094.c -g -Wall -Werror -O2
pr108094.c: In function ‘e’:
pr108094.c:8:10: error: function returns address of local variable
[-Werror=return-local-addr]
    8 |   return c;
      |          ^
pr108094.c:4:7: note: declared here
    4 |   int b[1]={0};
      |       ^
cc1: all warnings being treated as errors

The warning is quite obvious and should not be ignored.