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 foo(struct S * p)10foo (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 main()24main () 25 { 26 struct S x = { 5.0f, 6.0f }; 27 foo (&x); 28 return 0; 29 } 30