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diff --git a/clang/test/Preprocessor/c90.c b/clang/test/Preprocessor/c90.c
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+/* RUN: %clang_cc1 %s -std=c89 -Eonly -verify -pedantic-errors
+ */
+
+/* PR3919 */
+
+#define foo`bar /* expected-error {{whitespace required after macro name}} */
+#define foo2!bar /* expected-warning {{whitespace recommended after macro name}} */
+
+#define foo3$bar /* expected-error {{'$' in identifier}} */
+