[Bug tree-optimization/36666] New: [4.4 Regression] ICE in process_constraint, at tree-ssa-structalias.c:2573

[rguenth at gcc dot gnu dot org]

Testcase, reduced from ia64 ada bootstrap failure:

struct Foo {
  int *p;
  struct X {
    int a,b,c,d,e,*f;
  } x;
} *init, *init2;

struct X __attribute__((const)) foo(struct X);

void bar (void)
{
  init->x = foo (init2->x);
}

mine.


-- 
           Summary: [4.4 Regression] ICE in process_constraint, at tree-ssa-
                    structalias.c:2573
           Product: gcc
           Version: 4.4.0
            Status: UNCONFIRMED
          Keywords: ice-on-valid-code
          Severity: normal
          Priority: P3
         Component: tree-optimization
        AssignedTo: rguenth at gcc dot gnu dot org
        ReportedBy: rguenth at gcc dot gnu dot org


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=36666