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-rw-r--r--gcc/testsuite/g++.dg/tree-ssa/fold-compare.C28
1 files changed, 28 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/tree-ssa/fold-compare.C b/gcc/testsuite/g++.dg/tree-ssa/fold-compare.C
new file mode 100644
index 000000000..2b4c41103
--- /dev/null
+++ b/gcc/testsuite/g++.dg/tree-ssa/fold-compare.C
@@ -0,0 +1,28 @@
+/* { dg-do compile } */
+/* { dg-options "-O2 -fdump-tree-optimized" } */
+
+struct ExtentsBase {
+ ExtentsBase() : startx_(), endx_() { }
+ ExtentsBase(const ExtentsBase &b) {
+ *this = b;
+ }
+
+ const ExtentsBase & operator=(const ExtentsBase &b) {
+ if (this != &b) {
+ startx_ = b.startx_;
+ }
+ return *this;
+ }
+
+ int startx_;
+ int endx_;
+};
+
+int f(const ExtentsBase &e1) {
+ ExtentsBase my_extents = e1;
+ return my_extents.startx_;
+}
+
+/* { dg-final { scan-tree-dump-not "&my_extents" "optimized" } } */
+/* { dg-final { cleanup-tree-dump "optimized" } } */
+