94 lines
		
	
	
		
			2.1 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			94 lines
		
	
	
		
			2.1 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| // RUN: %clang_cc1 %s -verify -fsyntax-only
 | |
| 
 | |
| void foo(void);
 | |
| void foo(void) {} 
 | |
| void foo(void);
 | |
| void foo(void); // expected-note {{previous declaration is here}}
 | |
| 
 | |
| void foo(int); // expected-error {{conflicting types for 'foo'}}
 | |
| 
 | |
| int funcdef()
 | |
| {
 | |
|  return 0;
 | |
| }
 | |
| 
 | |
| int funcdef();
 | |
| 
 | |
| int funcdef2() { return 0; } // expected-note {{previous definition is here}}
 | |
| int funcdef2() { return 0; } // expected-error {{redefinition of 'funcdef2'}}
 | |
| 
 | |
| // PR2502
 | |
| void (*f)(void);
 | |
| void (*f)() = 0;
 | |
| 
 | |
| typedef __attribute__(( ext_vector_type(2) )) int Vi2;
 | |
| typedef __attribute__(( ext_vector_type(2) )) float Vf2;
 | |
| 
 | |
| Vf2 g0; // expected-note {{previous definition is here}}
 | |
| Vi2 g0; // expected-error {{redefinition of 'g0'}}
 | |
| 
 | |
| _Complex int g1; // expected-note {{previous definition is here}}
 | |
| _Complex float g1; // expected-error {{redefinition of 'g1'}}
 | |
| 
 | |
| // rdar://6096412
 | |
| extern char i6096412[10];
 | |
| extern char i6096412[];
 | |
| void foo6096412(void) {
 | |
|   int x = sizeof(i6096412);
 | |
| }
 | |
| 
 | |
| 
 | |
| typedef int test1_IA[];
 | |
| typedef int test1_A10[10];
 | |
| static test1_A10 *test1_f(void);
 | |
| void test1_g(void)
 | |
| {
 | |
|   {
 | |
|     extern test1_IA  *test1_f(void);
 | |
|   }
 | |
|   (void)sizeof(*test1_f());
 | |
| }
 | |
| 
 | |
| typedef int test2_IA[];
 | |
| typedef int test2_A10[10];
 | |
| 
 | |
| static test2_A10 *test2_f(void);
 | |
| static test2_IA  *test2_f(void);
 | |
| 
 | |
| void test2_g(void)
 | |
| {
 | |
|   (void)sizeof(*test2_f());
 | |
| }
 | |
| 
 | |
| int (*test3_f())[10];
 | |
| int (*test3_f())[];
 | |
| int test3_k = sizeof(*test3_f());
 | |
| 
 | |
| void test4_f(int);
 | |
| void test4_f(a)
 | |
|   char a;
 | |
| {
 | |
|   int v[sizeof(a) == 1 ? 1 : -1];
 | |
| }
 | |
| 
 | |
| int test5_f(int (*)[10]);
 | |
| int test5_f(int (*x)[]) {
 | |
|   return sizeof(*x); // expected-error {{invalid application of 'sizeof' to an incomplete type 'int []'}}
 | |
| }
 | |
| 
 | |
| void test6_f(int (*a)[11]);
 | |
| void test6_f(a)
 | |
|    int (*a)[];
 | |
| {}
 | |
| void test6_g() {
 | |
|   int arr[10];
 | |
|   test6_f(&arr); // expected-warning {{incompatible pointer types passing 'int (*)[10]' to parameter of type 'int (*)[11]}}
 | |
| }
 | |
| 
 | |
| void test7_f(int (*)[10]);
 | |
| void test7_f(int (*)[]); // expected-note {{passing argument to parameter here}}
 | |
| void test7_g() {
 | |
|   int x[5];
 | |
|   test7_f(&x); // expected-warning {{incompatible pointer types passing 'int (*)[5]' to parameter of type 'int (*)[10]}}
 | |
| }
 | 
