implicit-decl.c revision e3ca33aba226c7b5d50703df008ef0ef5f9ea7da 
1// RUN: %clang_cc1 %s -verify -fsyntax-only -Werror
2
3typedef int int32_t;
4typedef unsigned char Boolean;
5
6extern int printf(__const char *__restrict __format, ...); // expected-note{{'printf' declared here}}
7
8void func() {
9   int32_t *vector[16];
10   const char compDesc[16 + 1];
11   int32_t compCount = 0;
12   if (_CFCalendarDecomposeAbsoluteTimeV(compDesc, vector, compCount)) { // expected-note {{previous implicit declaration is here}} \
13         expected-error {{implicit declaration of function '_CFCalendarDecomposeAbsoluteTimeV' is invalid in C99}}
14   }
15
16   printg("Hello, World!\n"); // expected-error{{implicit declaration of function 'printg' is invalid in C99}} \
17                              // expected-note{{did you mean 'printf'?}}
18
19  __builtin_is_les(1, 3); // expected-error{{use of unknown builtin '__builtin_is_les'}} \
20                          // expected-note{did you mean '__builtin_is_less'?}}
21}
22Boolean _CFCalendarDecomposeAbsoluteTimeV(const char *componentDesc, int32_t **vector, int32_t count) { // expected-error{{conflicting types for '_CFCalendarDecomposeAbsoluteTimeV'}}
23 return 0;
24}
25