[Bug preprocessor/20077] [3.3/3.4/4.0 Regression] GCC accepts macro definitions that fail a constraint

[pinskia at gcc dot gnu dot org]

------- Additional Comments From pinskia at gcc dot gnu dot org  2005-02-19 17:04 -------
Confirmed, and this is a regression from 2.95.3:
t.c:1: `##' at end of macro definition

-- 
           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
     Ever Confirmed|                            |1
           Keywords|                            |accepts-invalid, diagnostic
      Known to fail|                            |3.0.4 3.2.3 3.3.6 3.4.4
                   |                            |4.0.0
      Known to work|                            |2.95.3
   Last reconfirmed|0000-00-00 00:00:00         |2005-02-19 17:04:20
               date|                            |
            Summary|GCC accepts macro           |[3.3/3.4/4.0 Regression] GCC
                   |definitions that fail a     |accepts macro definitions
                   |constraint                  |that fail a constraint
   Target Milestone|---                         |3.4.4


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=20077