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-rw-r--r--test/Preprocessor/microsoft-ext.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/test/Preprocessor/microsoft-ext.c b/test/Preprocessor/microsoft-ext.c
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+// RUN: %clang_cc1 -E -fms-compatibility %s | FileCheck %s
+
+# define M2(x, y) x + y
+# define P(x, y) {x, y}
+# define M(x, y) M2(x, P(x, y))
+M(a, b) // CHECK: a + {a, b}
+