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-rw-r--r--clang/test/Preprocessor/undef-error.c5
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diff --git a/clang/test/Preprocessor/undef-error.c b/clang/test/Preprocessor/undef-error.c
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+// RUN: %clang_cc1 %s -pedantic-errors -verify
+// PR2045
+
+#define b
+/* expected-error {{extra tokens at end of #undef directive}} */ #undef a b