|  | // RUN: not %clang_cc1 -fsyntax-only %s 2>&1 | FileCheck %s -strict-whitespace | 
|  |  | 
|  | #define NO_INITIATION(x) int a = x * 2 | 
|  | #define NO_DEFINITION(x) int c = x * 2 | 
|  |  | 
|  | NO_INITIATION(a); | 
|  | NO_DEFINITION(b); | 
|  |  | 
|  | // CHECK: {{.*}}:6:15: warning: variable 'a' is uninitialized when used within its own initialization | 
|  | // CHECK-NEXT: NO_INITIATION(a); | 
|  | // CHECK-NEXT: ~~~~~~~~~~~~~~^~ | 
|  | // CHECK-NEXT: {{.*}}:3:34: note: expanded from macro 'NO_INITIATION' | 
|  | // CHECK-NEXT: #define NO_INITIATION(x) int a = x * 2 | 
|  | // CHECK-NEXT:                              ~   ^ | 
|  |  | 
|  | // CHECK: {{.*}}:7:15: error: use of undeclared identifier 'b' | 
|  | // CHECK-NEXT: NO_DEFINITION(b); | 
|  | // CHECK-NEXT:               ^ | 
|  |  | 
|  |  | 
|  | #define F(x) x + 1 | 
|  | #define ADD(x,y) y + F(x) | 
|  | #define SWAP_ARGU(x,y) ADD(y,x) | 
|  |  | 
|  | int  p = SWAP_ARGU(3, x); | 
|  |  | 
|  | // CHECK: {{.*}}:25:23: error: use of undeclared identifier 'x' | 
|  | // CHECK-NEXT: int  p = SWAP_ARGU(3, x); | 
|  | // CHECK-NEXT:                       ^ | 
|  |  | 
|  | #define APPLY(f,x,y) x f y | 
|  |  | 
|  | struct node { | 
|  | }; | 
|  |  | 
|  | node ff; | 
|  |  | 
|  | int r = APPLY(+,ff,1); | 
|  | // CHECK: {{.*}}:38:15: error: invalid operands to binary expression ('node' and 'int') | 
|  | // CHECK-NEXT: int r = APPLY(+,ff,1); | 
|  | // CHECK-NEXT:               ^ ~~ ~ | 
|  | // CHECK-NEXT: {{.*}}:31:24: note: expanded from macro 'APPLY' | 
|  | // CHECK-NEXT: #define APPLY(f,x,y) x f y | 
|  | // CHECK-NEXT:                      ~ ^ ~ |