[Bug c/87192] -Warray-bounds (even =2) does not work on struct members

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87192

Richard Biener <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |diagnostic
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2018-09-03
             Blocks|                            |56456
     Ever confirmed|0                           |1

--- Comment #8 from Richard Biener <rguenth at gcc dot gnu.org> ---
The issue is the array isn't visible in the IL anymore but we have

  bar (&MEM[(void *)&s + 48B]);

The first CCP pass already propagates the constant pointer from

  _1 = &s.a + 48;
  bar (_1);

to the above.


Referenced Bugs:

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=56456
[Bug 56456] [meta-bug] bogus/missing -Warray-bounds