1 files changed, 25 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/torture/pr34099.C b/gcc/testsuite/g++.dg/torture/pr34099.C
new file mode 100644
index 000000000..49fa9cac1
--- /dev/null
+++ b/gcc/testsuite/g++.dg/torture/pr34099.C
@@ -0,0 +1,25 @@
+/* { dg-do run } */
+
+#include <complex>
+
+typedef std::complex<double> NumType;
+
+void
+multiply(NumType a, NumType b, unsigned ac, NumType &ab)
+{
+  NumType s;
+  for (unsigned j=0; j<ac; j++)
+    s = a * b;
+  ab = s;
+}
+extern "C" void abort (void);
+int main()
+{
+  NumType a(1,2), b(3,-2), c;
+  multiply(a, b, 1, c);
+  if (c.real() != 7
+      || c.imag() != 4)
+    abort ();
+  return 0;
+}
+