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-rw-r--r--gcc/testsuite/gcc.dg/tree-ssa/alias-4.c21
1 files changed, 21 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/alias-4.c b/gcc/testsuite/gcc.dg/tree-ssa/alias-4.c
new file mode 100644
index 00000000000..e0394327d91
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/tree-ssa/alias-4.c
@@ -0,0 +1,21 @@
+/* { dg-do compile } */
+/* { dg-options "-O2 -fdump-tree-optimized" } */
+
+struct {
+ int i;
+ struct {
+ int x[2];
+ } b;
+} a;
+
+int foo(void)
+{
+ a.i = 1;
+ a.b.x[0] = 0;
+ a.b.x[1] = 1;
+ return a.i + a.b.x[0];
+}
+
+/* { dg-final { scan-tree-dump "return 1;" "optimized" } } */
+/* { dg-final { cleanup-tree-dump "optimized" } } */
+