[Bug middle-end/18477] New: Wsequence-point false positive

[mueller at kde dot org]

int main() 
{ 
   char* data; 
 
   *data++ = *data+1; 
} 
 
$  
g++ -Wall  tt.cpp  
tt.cpp: In function ‘int main()’: 
tt.cpp:7: warning: operation on ‘data’ may be undefined 
 
afaik "=" is a sequence point, so there shouldn't be any undefined behaviour 
here.

-- 
           Summary: Wsequence-point false positive
           Product: gcc
           Version: 4.0.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: middle-end
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: mueller at kde dot org
                CC: gcc-bugs at gcc dot gnu dot org
 GCC build triplet: i686-pc-linux-gnu
  GCC host triplet: i686-pc-linux-gnu
GCC target triplet: i686-pc-linux-gnu


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=18477