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-rw-r--r--gcc/testsuite/g++.dg/opt/nrv14.C39
1 files changed, 39 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/opt/nrv14.C b/gcc/testsuite/g++.dg/opt/nrv14.C
new file mode 100644
index 000000000..22526d6b5
--- /dev/null
+++ b/gcc/testsuite/g++.dg/opt/nrv14.C
@@ -0,0 +1,39 @@
+// PR c++/32992
+// { dg-do run }
+// { dg-options "-O2" }
+
+extern "C" void abort (void);
+
+struct A
+{
+ long int a1;
+ long int a2;
+ long int a3;
+};
+
+struct B
+{
+ long int f[3];
+ operator A ()
+ {
+ union
+ {
+ long int t[3];
+ A a;
+ };
+ for (int i = 0; i < 3; i++)
+ t[i] = f[i];
+ return a;
+ }
+};
+
+int
+main ()
+{
+ B b = { {1, 3, 5} };
+ A a = b;
+
+ if (a.a1 != b.f[0] || a.a2 != b.f[1] || a.a3 != b.f[2])
+ abort ();
+ return 0;
+}