1 files changed, 43 insertions, 0 deletions
diff --git a/clang/test/Preprocessor/macro_disable.c b/clang/test/Preprocessor/macro_disable.c
new file mode 100644
index 0000000..d7859dc
--- /dev/null
+++ b/clang/test/Preprocessor/macro_disable.c
@@ -0,0 +1,43 @@
+// RUN: %clang_cc1 %s -E | FileCheck -strict-whitespace %s
+// Check for C99 6.10.3.4p2.
+
+#define f(a) f(x * (a)) 
+#define x 2 
+#define z z[0] 
+f(f(z)); 
+// CHECK: f(2 * (f(2 * (z[0]))));
+
+
+
+#define A A B C 
+#define B B C A 
+#define C C A B 
+A 
+// CHECK: A B C A B A C A B C A
+
+
+// PR1820
+#define i(x) h(x
+#define h(x) x(void) 
+extern int i(i));
+// CHECK: int i(void)
+
+
+#define M_0(x) M_ ## x 
+#define M_1(x) x + M_0(0) 
+#define M_2(x) x + M_1(1) 
+#define M_3(x) x + M_2(2) 
+#define M_4(x) x + M_3(3) 
+#define M_5(x) x + M_4(4) 
+
+a: M_0(1)(2)(3)(4)(5);
+b: M_0(5)(4)(3)(2)(1);
+
+// CHECK: a: 2 + M_0(3)(4)(5);
+// CHECK: b: 4 + 4 + 3 + 2 + 1 + M_0(3)(2)(1);
+
+#define n(v) v
+#define l m
+#define m l a
+c: n(m) X
+// CHECK: c: m a X