blob: af79bbde6009bdf0901f5d624c408c012a919e80 [file] [log] [blame]
Richard Trieua1d7ece2015-08-27 23:38:45 +00001// RUN: not %clang -cc1 -fsyntax-only %s 2>&1 | FileCheck %s
2
3#define a b
4#define b c
5#define c(x) d(x)
6#define d(x) x*1
7
8#define e f
9#define f g
10#define g(x) h(x)
11#define h(x) x
12
13void PR16799() {
14 const char str[] = "string";
15 a(str);
16 // CHECK: :15:3: error: invalid operands to binary expression
17 // CHECK: ('const char *' and 'int')
18 // CHECK: a(str);
Richard Trieuc3096242015-09-24 01:21:01 +000019 // CHECK: ^~~~~~
Richard Trieua1d7ece2015-08-27 23:38:45 +000020 // CHECK: :3:11: note: expanded from macro 'a'
21 // CHECK: #define a b
22 // CHECK: ^
23 // CHECK: :4:11: note: expanded from macro 'b'
24 // CHECK: #define b c
25 // CHECK: ^
26 // CHECK: :5:14: note: expanded from macro 'c'
27 // CHECK: #define c(x) d(x)
28 // CHECK: ^~~~
29 // CHECK: :6:15: note: expanded from macro 'd'
30 // CHECK: #define d(x) x*1
Richard Trieuc3096242015-09-24 01:21:01 +000031 // CHECK: ~^~
Richard Trieua1d7ece2015-08-27 23:38:45 +000032
33 e(str);
34 // CHECK: :33:5: warning: expression result unused
35 // CHECK: e(str);
36 // CHECK: ^~~
37 // CHECK: :8:11: note: expanded from macro 'e'
38 // CHECK: #define e f
39 // CHECK: ^
40 // CHECK: :9:11: note: expanded from macro 'f'
41 // CHECK: #define f g
42 // CHECK: ^
43 // CHECK: :10:16: note: expanded from macro 'g'
44 // CHECK: #define g(x) h(x)
45 // CHECK: ^
46 // CHECK: :11:14: note: expanded from macro 'h'
47 // CHECK: #define h(x) x
48 // CHECK: ^
49}
50// CHECK: 1 warning and 1 error generated.