[Bug preprocessor/23688] Compiler does not warn on selected unknown character escapes

[pinskia at gcc dot gnu dot org]

------- Additional Comments From pinskia at gcc dot gnu dot org  2005-09-01 
23:11 -------
Hmm, interesting if I add -pedantic, I get the warnings.
And this is not a regression.   A preprocessor person has to comment on why 
this is.

-- 
           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
          Component|c++                         |preprocessor
     Ever Confirmed|                            |1
           Keywords|                            |diagnostic
      Known to fail|                            |2.95.3 3.2.3 3.4.0 4.0.0
                   |                            |4.1.0 3.0.4
   Last reconfirmed|0000-00-00 00:00:00         |2005-09-01 23:11:34
               date|                            |


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23688