1 files changed, 38 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/other/pr40446.C b/gcc/testsuite/g++.dg/other/pr40446.C
new file mode 100644
index 000000000..72cd19606
--- /dev/null
+++ b/gcc/testsuite/g++.dg/other/pr40446.C
@@ -0,0 +1,38 @@
+// PR middle-end/40446
+// { dg-do run { target i?86-*-* x86_64-*-* } }
+// { dg-options "-O1 -msse2" }
+// { dg-require-effective-target sse2_runtime }
+
+#include <emmintrin.h>
+
+extern "C" void abort ();
+
+struct S
+{
+  S (double r, double i) { __real__ s = r; __imag__ s = i; }
+  __complex__ double s;
+};
+
+__m128d
+foo ()
+{
+  S c (0, 1);
+  return _mm_load_pd ((double *) &c);
+}
+
+static void
+__attribute__((noinline))
+sse2_test ()
+{
+  union { __m128d vec; double val[2]; } u;
+  u.vec = foo ();
+  if (u.val[0] != 0 || u.val[1] != 1)
+    abort ();
+}
+
+int
+main ()
+{
+  sse2_test ();
+  return 0;
+}