[Bug tree-optimization/22516] New: Segfault with ivopts at -O

[falk at debian dot org]

GNU C version 4.1.0 20050716 (experimental) (alphaev68-unknown-linux-gnu)

[EMAIL PROTECTED]:/tmp% cat bug.c
void g(int x);
void f(int y2) {
    int y1 = 0, dy = y2;
    short sy = y2;
    for (;;) {
        g(y1);
        while (dy) {
            y1 += sy;
            dy += y2;
        }
    }
}

[EMAIL PROTECTED]:/tmp% gcc -c -O2 -W -Wall  bug.c                    
[EMAIL PROTECTED]:/tmp% gcc -c -O  -W -Wall  bug.c -fno-ivopts
[EMAIL PROTECTED]:/tmp% gcc -c -O  -W -Wall  bug.c            
bug.c: In function 'f':
bug.c:2: internal compiler error: Segmentation fault
Please submit a full bug report,
with preprocessed source if appropriate.
See <URL:http://gcc.gnu.org/bugs.html> for instructions.

-- 
           Summary: Segfault with ivopts at -O
           Product: gcc
           Version: 4.0.2
            Status: UNCONFIRMED
          Keywords: ice-on-valid-code
          Severity: normal
          Priority: P2
         Component: tree-optimization
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: falk at debian dot org
                CC: gcc-bugs at gcc dot gnu dot org
 GCC build triplet: alphaev68-unknown-linux-gnu
  GCC host triplet: alphaev68-unknown-linux-gnu
GCC target triplet: alphaev68-unknown-linux-gnu


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=22516