diff --git a/test/Preprocessor/c90.c b/test/Preprocessor/c90.c
new file mode 100644
index 0000000..4287d0d
--- /dev/null
+++ b/test/Preprocessor/c90.c
@@ -0,0 +1,10 @@
+/* RUN: clang-cc %s -std=c89 -Eonly -verify -pedantic-errors 
+ */
+
+/* PR3919 */
+
+#define foo`bar   /* expected-error {{whitespace required after macro name}} */
+#define foo2!bar  /* expected-warning {{whitespace required after macro name}} */
+
+#define foo3$bar  /* expected-error {{'$' in identifier}} */
+