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Diffstat (limited to 'gcc/testsuite/gcc.c-torture/execute/pr44468.c')
-rw-r--r--gcc/testsuite/gcc.c-torture/execute/pr44468.c60
1 files changed, 60 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.c-torture/execute/pr44468.c b/gcc/testsuite/gcc.c-torture/execute/pr44468.c
new file mode 100644
index 000000000..c4bd49265
--- /dev/null
+++ b/gcc/testsuite/gcc.c-torture/execute/pr44468.c
@@ -0,0 +1,60 @@
+#include <stddef.h>
+
+struct S {
+ int i;
+ int j;
+};
+struct R {
+ int k;
+ struct S a;
+};
+struct Q {
+ float k;
+ struct S a;
+};
+struct Q s;
+int __attribute__((noinline,noclone))
+test1 (void *q)
+{
+ struct S *b = (struct S *)((char *)q + sizeof (int));
+ s.a.i = 0;
+ b->i = 3;
+ return s.a.i;
+}
+int __attribute__((noinline,noclone))
+test2 (void *q)
+{
+ struct S *b = &((struct R *)q)->a;
+ s.a.i = 0;
+ b->i = 3;
+ return s.a.i;
+}
+int __attribute__((noinline,noclone))
+test3 (void *q)
+{
+ s.a.i = 0;
+ ((struct S *)((char *)q + sizeof (int)))->i = 3;
+ return s.a.i;
+}
+extern void abort (void);
+int
+main()
+{
+ if (sizeof (float) != sizeof (int)
+ || offsetof (struct R, a) != sizeof (int)
+ || offsetof (struct Q, a) != sizeof (int))
+ return 0;
+ s.a.i = 1;
+ s.a.j = 2;
+ if (test1 ((void *)&s) != 3)
+ abort ();
+ s.a.i = 1;
+ s.a.j = 2;
+ if (test2 ((void *)&s) != 3)
+ abort ();
+ s.a.i = 1;
+ s.a.j = 2;
+ if (test3 ((void *)&s) != 3)
+ abort ();
+ return 0;
+}