1 files changed, 25 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/opt/nrv12.C b/gcc/testsuite/g++.dg/opt/nrv12.C
new file mode 100644
index 000000000..944dddd7b
--- /dev/null
+++ b/gcc/testsuite/g++.dg/opt/nrv12.C
@@ -0,0 +1,25 @@
+/* Verify that gimple-level NRV is occurring even for RESULT_DECLs.  *./
+/* { dg-do compile { target i?86-*-* x86_64-*-* } } */
+/* { dg-options "-O -fdump-tree-optimized" } */
+/* { dg-require-effective-target ilp32 } */
+
+struct P
+{
+  long long l;
+  int a;
+  unsigned int b;
+  P(long long x) : l(x) {}
+};
+
+P foo (P);
+P bar (P);
+
+P foo (P x)
+{
+  P y = P (-1LL);
+  y = bar (x);
+  return y;
+}
+
+/* { dg-final { scan-tree-dump-times "return slot optimization" 1 "optimized" } } */
+/* { dg-final { cleanup-tree-dump "optimized" } } */