1 files changed, 23 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/opt/conj2.C b/gcc/testsuite/g++.dg/opt/conj2.C
new file mode 100644
index 000000000..25e832a02
--- /dev/null
+++ b/gcc/testsuite/g++.dg/opt/conj2.C
@@ -0,0 +1,23 @@
+// PR target/6043
+// This testcase ICEd on IA-64 because emit_group_store
+// did not handle loading CONCAT from register group
+// { dg-do compile }
+
+struct C
+{
+  C (double y, double z) { __real__ x = y; __imag__ x = z; }
+  double r () const { return __real__ x; }
+  double i () const { return __imag__ x; }
+  __complex__ double x;
+};
+
+inline C conj (const C& x)
+{
+  return C (x.r (), - x.i ());
+}
+
+void foo (void)
+{
+  C x (1.0, 1.0);
+  conj (x);
+}