Make it possible for builtins to expression FILE* arguments, so that
we can define builtins such as fprintf, vfprintf, and
__builtin___fprintf_chk. Give a nice error message when we need to
implicitly declare a function like fprintf.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@64526 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Sema/implicit-builtin-decl.c b/test/Sema/implicit-builtin-decl.c
index 3faef0b..e9b0556 100644
--- a/test/Sema/implicit-builtin-decl.c
+++ b/test/Sema/implicit-builtin-decl.c
@@ -20,3 +20,7 @@
int strcpy(int); // expected-error{{conflicting types for 'strcpy'}} \
// expected-note{{'strcpy' was implicitly declared here with type 'char *(char *, char const *)'}}
}
+
+void f2() {
+ fprintf(0, "foo"); // expected-error{{implicit declaration of 'fprintf' requires inclusion of the header <stdio.h>}}
+}