1 files changed, 17 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.c-torture/execute/struct-aliasing-1.c b/gcc/testsuite/gcc.c-torture/execute/struct-aliasing-1.c
new file mode 100644
index 000000000..9786b44c2
--- /dev/null
+++ b/gcc/testsuite/gcc.c-torture/execute/struct-aliasing-1.c
@@ -0,0 +1,17 @@
+struct S { float f; };
+int __attribute__((noinline))
+foo (int *r, struct S *p)
+{
+  int *q = (int *)&p->f;
+  int i = *q;
+  *r = 0;
+  return i + *q;
+}
+extern void abort (void);
+int main()
+{
+  int i = 1;
+  if (foo (&i, (struct S *)&i) != 1)
+    abort ();
+  return (0);
+}