1 files changed, 21 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/g++.dg/tree-ssa/pr57380.C b/gcc-4.9/gcc/testsuite/g++.dg/tree-ssa/pr57380.C
new file mode 100644
index 000000000..0a2b2ad5f
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/g++.dg/tree-ssa/pr57380.C
@@ -0,0 +1,21 @@
+/* { dg-do compile } */
+/* { dg-options "-O2 -fdump-tree-phiopt1" } */
+
+struct my_array {
+    int data[4];
+};
+
+const int& my_max(const int& a, const int& b) {
+    return a < b ? b : a;
+}
+
+int f(my_array a, my_array b) {
+    int res = 0;
+    for (int i = 0; i < 4; ++i) {
+	res += my_max(a.data[i], b.data[i]);
+    }
+    return res;
+}
+
+/* { dg-final { scan-tree-dump "MAX_EXPR" "phiopt1" } } */
+/* { dg-final { cleanup-tree-dump "phiopt1" } } */