File: value-dependent-null-pointer-constant.cpp

package info (click to toggle)
llvm-toolchain-16 1%3A16.0.6-15~deb12u1
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,634,792 kB
  • sloc: cpp: 6,179,261; ansic: 1,216,205; asm: 741,319; python: 196,614; objc: 75,325; f90: 49,640; lisp: 32,396; pascal: 12,286; sh: 9,394; perl: 7,442; ml: 5,494; awk: 3,523; makefile: 2,723; javascript: 1,206; xml: 886; fortran: 581; cs: 573
file content (42 lines) | stat: -rw-r--r-- 967 bytes parent folder | download | duplicates (28) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
 
// RUN: %clang_cc1 -fsyntax-only -verify %s
// RUN: %clang_cc1 -fsyntax-only -verify -std=c++98 %s
// RUN: %clang_cc1 -fsyntax-only -verify -std=c++11 %s

template<typename T, int N>
struct X0 {
  const char *f0(bool Cond) {
    return Cond? "honk" : N;
#if __cplusplus >= 201103L
// expected-error@-2 {{incompatible operand types ('const char *' and 'int')}}
#else
// expected-no-diagnostics
#endif
  }

  const char *f1(bool Cond) {
    return Cond? N : "honk";
#if __cplusplus >= 201103L
// expected-error@-2 {{incompatible operand types ('int' and 'const char *')}}
#endif
  }
  
  bool f2(const char *str) {
    return str == N;
#if __cplusplus >= 201103L
// expected-error@-2 {{comparison between pointer and integer ('const char *' and 'int')}}
#endif
  }
};

// PR4996
template<unsigned I> int f0() { 
  return __builtin_choose_expr(I, 0, 1); 
}

// PR5041
struct A { };

template <typename T> void f(T *t)
{
  (void)static_cast<void*>(static_cast<A*>(t));
}