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-rw-r--r--clang/test/Preprocessor/assembler-with-cpp.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/clang/test/Preprocessor/assembler-with-cpp.c b/clang/test/Preprocessor/assembler-with-cpp.c
index 885e67b98c8..bb168805785 100644
--- a/clang/test/Preprocessor/assembler-with-cpp.c
+++ b/clang/test/Preprocessor/assembler-with-cpp.c
@@ -63,4 +63,9 @@ T7(foo)
// RUN: grep 'T6 #nostring' %t &&
// RUN: grep 'T7 "foo"' %t &&
+// Concatenation with period doesn't leave a space
+// RUN: grep '.T8' %t &&
+#define T8(A,B) A ## B
+T8(.,T8)
+
// RUN: true
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