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-rw-r--r--clang/test/Preprocessor/traditional-cpp.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/clang/test/Preprocessor/traditional-cpp.c b/clang/test/Preprocessor/traditional-cpp.c
index 0396c9b126c..4c4633e0392 100644
--- a/clang/test/Preprocessor/traditional-cpp.c
+++ b/clang/test/Preprocessor/traditional-cpp.c
@@ -5,8 +5,14 @@
/*
RUN: %clang_cc1 -traditional-cpp %s -E -o %t
RUN: FileCheck -strict-whitespace < %t %s
+ RUN: %clang_cc1 -traditional-cpp %s -E -C | FileCheck -check-prefix=CHECK-COMMENTS %s
*/
+/* -traditional-cpp should eliminate all C89 comments. */
+/* CHECK-NOT: /*
+ * CHECK-COMMENTS: {{^}}/* -traditional-cpp should eliminate all C89 comments. *{{/$}}
+ */
+
/* CHECK: {{^}}foo // bar{{$}}
*/
foo // bar
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