1 files changed, 29 insertions, 0 deletions
diff --git a/gcc-4.8/gcc/testsuite/gcc.dg/guality/pr59776.c b/gcc-4.8/gcc/testsuite/gcc.dg/guality/pr59776.c
new file mode 100644
index 000000000..382abb622
--- /dev/null
+++ b/gcc-4.8/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;
+}