1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
|
// RUN: not %clang_cc1 -fsyntax-only %s 2>&1 | FileCheck %s
#define a b
#define b c
#define c(x) d(x)
#define d(x) x*1
#define e f
#define f g
#define g(x) h(x)
#define h(x) x
void PR16799() {
const char str[] = "string";
a(str);
// CHECK: :15:3: error: invalid operands to binary expression
// CHECK: ('const char[7]' and 'int')
// CHECK: a(str);
// CHECK: ^~~~~~
// CHECK: :3:11: note: expanded from macro 'a'
// CHECK: #define a b
// CHECK: ^
// CHECK: :4:11: note: expanded from macro 'b'
// CHECK: #define b c
// CHECK: ^
// CHECK: :5:14: note: expanded from macro 'c'
// CHECK: #define c(x) d(x)
// CHECK: ^~~~
// CHECK: :6:15: note: expanded from macro 'd'
// CHECK: #define d(x) x*1
// CHECK: ~^~
e(str);
// CHECK: :33:5: warning: expression result unused
// CHECK: e(str);
// CHECK: ^~~
// CHECK: :8:11: note: expanded from macro 'e'
// CHECK: #define e f
// CHECK: ^
// CHECK: :9:11: note: expanded from macro 'f'
// CHECK: #define f g
// CHECK: ^
// CHECK: :10:16: note: expanded from macro 'g'
// CHECK: #define g(x) h(x)
// CHECK: ^
// CHECK: :11:14: note: expanded from macro 'h'
// CHECK: #define h(x) x
// CHECK: ^
}
// CHECK: 1 warning and 1 error generated.
|
