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-rw-r--r--gcc/testsuite/g++.dg/tree-ssa/empty-1.C14
1 files changed, 14 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/tree-ssa/empty-1.C b/gcc/testsuite/g++.dg/tree-ssa/empty-1.C
new file mode 100644
index 00000000000..6a6e452be24
--- /dev/null
+++ b/gcc/testsuite/g++.dg/tree-ssa/empty-1.C
@@ -0,0 +1,14 @@
+/* { dg-do compile } */
+/* { dg-options "-O2 -fdump-tree-optimized" } */
+
+struct S {};
+S bar (const S &a)
+{
+ S s;
+ s = a;
+ return s;
+}
+
+/* Test whether memcpy call has been optimized out. */
+/* { dg-final { scan-tree-dump-times "memcpy" 0 "optimized"} } */
+/* { dg-final { cleanup-tree-dump "optimized" } } */