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From: "pinskia at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug c/107802] -Wsuggest-attribute=format ignores
 [[gnu::format(...)]]
Date: Tue, 22 Nov 2022 19:11:53 +0000
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X-Bugzilla-Type: changed
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X-Bugzilla-Product: gcc
X-Bugzilla-Component: c
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X-Bugzilla-Keywords: diagnostic, ice-checking, ice-on-valid-code
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D107802

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
          Component|c++                         |c
           Keywords|                            |ice-checking,
                   |                            |ice-on-valid-code
   Last reconfirmed|                            |2022-11-22
     Ever confirmed|0                           |1

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Well Looks like it ICEs on the trunk with -Wsuggest-attribute=3Dformat -W -=
Wall :
```
#include <stdarg.h>
 #include <stdio.h>
 #include <stdlib.h>

[[gnu::format(printf, 1, 2)]]
void  raise(
     const char* assertionMessage,
     ...)=20
 {
     va_list args;
     va_start(args, assertionMessage);
     vfprintf(stderr, assertionMessage, args);
     va_end(args);
     abort();
 }

void f(void)
{
  raise("%s", 1223);
}
```
With both the C and C++ front-ends.

Confirmed.=