diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/guality/pr59776.c')
-rw-r--r-- | gcc/testsuite/gcc.dg/guality/pr59776.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/guality/pr59776.c b/gcc/testsuite/gcc.dg/guality/pr59776.c new file mode 100644 index 0000000000..382abb622b --- /dev/null +++ b/gcc/testsuite/gcc.dg/guality/pr59776.c @@ -0,0 +1,29 @@ +/* PR debug/59776 */ +/* { dg-do run } */ +/* { dg-options "-g" } */ + +#include "../nop.h" + +struct S { float f, g; }; + +__attribute__((noinline, noclone)) void +foo (struct S *p) +{ + struct S s1, s2; /* { dg-final { gdb-test pr59776.c:17 "s1.f" "5.0" } } */ + s1 = *p; /* { dg-final { gdb-test pr59776.c:17 "s1.g" "6.0" } } */ + s2 = s1; /* { dg-final { gdb-test pr59776.c:17 "s2.f" "0.0" } } */ + *(int *) &s2.f = 0; /* { dg-final { gdb-test pr59776.c:17 "s2.g" "6.0" } } */ + asm volatile (NOP : : : "memory"); /* { dg-final { gdb-test pr59776.c:20 "s1.f" "5.0" } } */ + asm volatile (NOP : : : "memory"); /* { dg-final { gdb-test pr59776.c:20 "s1.g" "6.0" } } */ + s2 = s1; /* { dg-final { gdb-test pr59776.c:20 "s2.f" "5.0" } } */ + asm volatile (NOP : : : "memory"); /* { dg-final { gdb-test pr59776.c:20 "s2.g" "6.0" } } */ + asm volatile (NOP : : : "memory"); +} + +int +main () +{ + struct S x = { 5.0f, 6.0f }; + foo (&x); + return 0; +} |