diff --git a/llvm/test/Regression/CFrontend/2004-03-07-ComplexDivEquals.c b/llvm/test/Regression/CFrontend/2004-03-07-ComplexDivEquals.c
new file mode 100644
index 000000000000..f48269289726
--- /dev/null
+++ b/llvm/test/Regression/CFrontend/2004-03-07-ComplexDivEquals.c
@@ -0,0 +1,4 @@
+
+void test(__complex__ double D, double X) {
+  D /= X;
+}