gcc/testsuite/gcc.dg/guality/pr59776.c

   1 /* PR debug/59776 */
   2 /* { dg-do run } */
   3 /* { dg-options "-g" } */
   4
   5 #include "../nop.h"
   6
   7 struct S { float f, g; };
   8
   9 __attribute__((noinline, noclone)) void
  10 foo (struct S *p)
  11 {
  12   struct S s1, s2;                      /* { dg-final { gdb-test pr59776.c:17 "s1.f" "5.0" } } */
  13   s1 = *p;                              /* { dg-final { gdb-test pr59776.c:17 "s1.g" "6.0" } } */
  14   s2 = s1;                              /* { dg-final { gdb-test pr59776.c:17 "s2.f" "0.0" } } */
  15   *(int *) &s2.f = 0;                   /* { dg-final { gdb-test pr59776.c:17 "s2.g" "6.0" } } */
  16   asm volatile (NOP : : : "memory");    /* { dg-final { gdb-test pr59776.c:20 "s1.f" "5.0" } } */
  17   asm volatile (NOP : : : "memory");    /* { dg-final { gdb-test pr59776.c:20 "s1.g" "6.0" } } */
  18   s2 = s1;                              /* { dg-final { gdb-test pr59776.c:20 "s2.f" "5.0" } } */
  19   asm volatile (NOP : : : "memory");    /* { dg-final { gdb-test pr59776.c:20 "s2.g" "6.0" } } */
  20   asm volatile (NOP : : : "memory");
  21 }
  22
  23 int
  24 main ()
  25 {
  26   struct S x = { 5.0f, 6.0f };
  27   foo (&x);
  28   return 0;
  29 }