vendor/clang/clang-trunk-r154661

1 files changed, 17 insertions, 2 deletions

diff --git a/test/Sema/implicit-decl.c b/test/Sema/implicit-decl.c
index f45597753663..ffab9a6f913c 100644
--- a/test/Sema/implicit-decl.c
+++ b/test/Sema/implicit-decl.c
@@ -1,17 +1,32 @@
-// RUN: %clang_cc1 %s -verify -fsyntax-only
+// RUN: %clang_cc1 %s -verify -fsyntax-only -Werror
 
 typedef int int32_t;
 typedef unsigned char Boolean;
 
+extern int printf(__const char *__restrict __format, ...); // expected-note{{'printf' declared here}}
+
 void func() {
    int32_t *vector[16];
    const char compDesc[16 + 1];
    int32_t compCount = 0;
    if (_CFCalendarDecomposeAbsoluteTimeV(compDesc, vector, compCount)) { // expected-note {{previous implicit declaration is here}} \
-         expected-warning {{implicit declaration of function '_CFCalendarDecomposeAbsoluteTimeV' is invalid in C99}}
+         expected-error {{implicit declaration of function '_CFCalendarDecomposeAbsoluteTimeV' is invalid in C99}}
    }
+
+   printg("Hello, World!\n"); // expected-error{{implicit declaration of function 'printg' is invalid in C99}} \
+                              // expected-note{{did you mean 'printf'?}}
+
+  __builtin_is_les(1, 3); // expected-error{{use of unknown builtin '__builtin_is_les'}}
 }
 Boolean _CFCalendarDecomposeAbsoluteTimeV(const char *componentDesc, int32_t **vector, int32_t count) { // expected-error{{conflicting types for '_CFCalendarDecomposeAbsoluteTimeV'}}
  return 0;
 }
 
+
+// Test the typo-correction callback in Sema::ImplicitlyDefineFunction
+extern int sformatf(char *str, __const char *__restrict __format, ...); // expected-note{{'sformatf' declared here}}
+void test_implicit() {
+  int formats = 0;
+  formatd("Hello, World!\n"); // expected-error{{implicit declaration of function 'formatd' is invalid in C99}} \
+                              // expected-note{{did you mean 'sformatf'?}}
+}