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-rw-r--r--clang/test/Preprocessor/macro_fn_preexpand.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/clang/test/Preprocessor/macro_fn_preexpand.c b/clang/test/Preprocessor/macro_fn_preexpand.c
new file mode 100644
index 00000000000..75bde69886c
--- /dev/null
+++ b/clang/test/Preprocessor/macro_fn_preexpand.c
@@ -0,0 +1,5 @@
+// clang %s -E | grep '1 1 X'
+/* Preexpansion of argument.*/
+#define A(X) 1 X
+A(A(X))
+
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