1 // RUN: %clang_cc1 %s -verify -fsyntax-only -Werror
2
3 typedef int int32_t;
4 typedef unsigned char Boolean;
5
6 extern int printf(__const char *__restrict __format, ...); // expected-note{{'printf' declared here}}
7
func()8 void 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 }
_CFCalendarDecomposeAbsoluteTimeV(const char * componentDesc,int32_t ** vector,int32_t count)21 Boolean _CFCalendarDecomposeAbsoluteTimeV(const char *componentDesc, int32_t **vector, int32_t count) { // expected-error{{conflicting types for '_CFCalendarDecomposeAbsoluteTimeV'}}
22 return 0;
23 }
24
25
26 // Test the typo-correction callback in Sema::ImplicitlyDefineFunction
27 extern int sformatf(char *str, __const char *__restrict __format, ...); // expected-note{{'sformatf' declared here}}
test_implicit()28 void test_implicit() {
29 int formats = 0;
30 formatd("Hello, World!\n"); // expected-error{{implicit declaration of function 'formatd' is invalid in C99}} \
31 // expected-note{{did you mean 'sformatf'?}}
32 }
33