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// PR c/25682
// { dg-do compile }
// Test whether we don't ICE on invalid array sizes.

struct S
{
  char a[4];
  int b;
};

extern void bar (char *, char *);

void
foo (void)
{
  char g[(char *) &((struct S *) 0)->b - (char *) 0];   // { dg-error "not an integral constant-expression" }
  char h[(__SIZE_TYPE__) &((struct S *) 8)->b];         // { dg-error "not an integral constant-expression" }
  bar (g, h);
}