llvm-project/clang/test/Sema/predefined-function.c
Douglas Gregor 4f4946aaaa Whenever we complain about a failed initialization of a function or
method parameter, provide a note pointing at the parameter itself so
the user does not have to manually look for the function/method being
called and match up parameters to arguments. For example, we now get:

t.c:4:5: warning: incompatible pointer types passing 'long *' to
parameter of
      type 'int *' [-pedantic]
  f(long_ptr);
    ^~~~~~~~
t.c:1:13: note: passing argument to parameter 'x' here
void f(int *x);
            ^

llvm-svn: 102038
2010-04-22 00:20:18 +00:00

39 lines
927 B
C

// RUN: %clang_cc1 -fsyntax-only -verify -pedantic %s
char *funk(int format);
enum Test {A=-1};
char *funk(enum Test x);
int eli(float b); // expected-note {{previous declaration is here}} \
// expected-note{{passing argument to parameter 'b' here}}
int b(int c) {return 1;}
int foo();
int foo() {
int eli(int (int)); // expected-error {{conflicting types for 'eli'}}
eli(b); // expected-error{{passing 'int (int)' to parameter of incompatible type 'float'}}
return 0;
}
int bar();
int bar(int i) // expected-note {{previous definition is here}}
{
return 0;
}
int bar() // expected-error {{redefinition of 'bar'}}
{
return 0;
}
int foobar(int); // note {{previous declaration is here}}
int foobar() // error {{conflicting types for 'foobar'}}
{
return 0;
}
int wibble(); // expected-note {{previous declaration is here}}
float wibble() // expected-error {{conflicting types for 'wibble'}}
{
return 0.0f;
}