YouCompleteMe/cpp/llvm/tools/clang/test/SemaCXX/warn-bool-conversion.cpp
Strahinja Val Markovic 1f51a89d39 Adding more llvm/clang files
These were ignored by git accidentally. We want ALL OF THEM since they all came
in the llvm/clang source distribution.
2012-07-05 17:55:45 -07:00

25 lines
1.1 KiB
C++

// RUN: %clang_cc1 -fsyntax-only -verify %s
int* j = false; // expected-warning{{initialization of pointer of type 'int *' to null from a constant boolean expression}}
void foo(int* i, int *j=(false)) // expected-warning{{initialization of pointer of type 'int *' to null from a constant boolean expression}}
{
foo(false); // expected-warning{{initialization of pointer of type 'int *' to null from a constant boolean expression}}
foo((int*)false); // no-warning: explicit cast
foo(0); // no-warning: not a bool, even though its convertible to bool
foo(false == true); // expected-warning{{initialization of pointer of type 'int *' to null from a constant boolean expression}}
foo((42 + 24) < 32); // expected-warning{{initialization of pointer of type 'int *' to null from a constant boolean expression}}
const bool kFlag = false;
foo(kFlag); // expected-warning{{initialization of pointer of type 'int *' to null from a constant boolean expression}}
}
char f(struct Undefined*);
double f(...);
// Ensure that when using false in metaprogramming machinery its conversion
// isn't flagged.
template <int N> struct S {};
S<sizeof(f(false))> s;