[Bug rtl-optimization/25224] New: [4.1/4.2 Regression] ICE in initialize_original_copy_tables

[pinskia at gcc dot gnu dot org]

Testcase, compile with -O2 -funswitch-loops:

static float rgam;
extern void *jmp(void *);

void drotmg(float d1) {
void *labels[] = { &&L170, &&L180, 0 };

  for(;;) {
    goto *jmp(labels);

    if (d1 <= rgam)
      goto L170;

L170:
    if (d1 <= rgam)
      goto L170;
  }

L180:
  goto L170;
}


-- 
           Summary: [4.1/4.2 Regression] ICE in
                    initialize_original_copy_tables
           Product: gcc
           Version: 4.2.0
            Status: UNCONFIRMED
          Keywords: ice-on-valid-code
          Severity: normal
          Priority: P3
         Component: rtl-optimization
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: pinskia at gcc dot gnu dot org
GCC target triplet: powerpc64-linux-gnu


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=25224