gcc/testsuite/gcc.dg/pr110699.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2" } */
   3
   4 typedef __attribute__((__vector_size__(64))) int T;
   5
   6 void f(void) {
   7   extern char a[64], b[64];  /* { dg-message "previous" "note" } */
   8   void *p = a;
   9   T q = *(T *)&b[0];
  10 }
  11
  12 void g() {
  13   extern char b;  /* { dg-error "conflicting types" } */
  14 }