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* [Bug preprocessor/20078] New: Gcc doesn't complain about non-benign macro definitions
@ 2005-02-19 20:32 neil at gcc dot gnu dot org
  2005-02-19 23:15 ` [Bug preprocessor/20078] " pinskia at gcc dot gnu dot org
  0 siblings, 1 reply; 2+ messages in thread
From: neil at gcc dot gnu dot org @ 2005-02-19 20:32 UTC (permalink / raw)
  To: gcc-bugs

According to the standard

#define str(x) #x
#define str(x) %:x

violates a constraint, but GCC accepts it.  Amusingly, Comeau shares the same bug.

A similar bug exists with the paste operator.

-- 
           Summary: Gcc doesn't complain about non-benign macro definitions
           Product: gcc
           Version: 3.4.0
            Status: UNCONFIRMED
          Severity: minor
          Priority: P3
         Component: preprocessor
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: neil at gcc dot gnu dot org
                CC: gcc-bugs at gcc dot gnu dot org


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=20078


^ permalink raw reply	[flat|nested] 2+ messages in thread

* [Bug preprocessor/20078] Gcc doesn't complain about non-benign macro definitions
  2005-02-19 20:32 [Bug preprocessor/20078] New: Gcc doesn't complain about non-benign macro definitions neil at gcc dot gnu dot org
@ 2005-02-19 23:15 ` pinskia at gcc dot gnu dot org
  0 siblings, 0 replies; 2+ messages in thread
From: pinskia at gcc dot gnu dot org @ 2005-02-19 23:15 UTC (permalink / raw)
  To: gcc-bugs


------- Additional Comments From pinskia at gcc dot gnu dot org  2005-02-19 17:05 -------
Confirmed, not a regression.

-- 
           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
     Ever Confirmed|                            |1
           Keywords|                            |accepts-invalid, diagnostic
      Known to fail|                            |2.95.3 3.0.4 3.2.3 3.3.3
                   |                            |3.4.0 4.0.0
   Last reconfirmed|0000-00-00 00:00:00         |2005-02-19 17:05:00
               date|                            |


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=20078


^ permalink raw reply	[flat|nested] 2+ messages in thread

end of thread, other threads:[~2005-02-19 17:05 UTC | newest]

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2005-02-19 20:32 [Bug preprocessor/20078] New: Gcc doesn't complain about non-benign macro definitions neil at gcc dot gnu dot org
2005-02-19 23:15 ` [Bug preprocessor/20078] " pinskia at gcc dot gnu dot org

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