view gcc/testsuite/g++.dg/warn/Wnull-conversion-1.C @ 158:494b0b89df80 default tip

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author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Mon, 25 May 2020 18:13:55 +0900
parents 04ced10e8804
children
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line source

// { dg-do compile }
// { dg-options "-Wconversion-null" }

#include <stddef.h>

void func1(int* ptr);

void func2() {
  int* t = false;             // { dg-warning "converting 'false' to pointer" "" { target { ! c++11 } } }
// { dg-error "cannot convert" "" { target c++11 } .-1 }
  int* p;
  p = false;                  // { dg-warning "converting 'false' to pointer" "" { target { ! c++11 } } }
// { dg-error "cannot convert" "" { target c++11 } .-1 }
  int* r = sizeof(char) / 2;  // { dg-error "invalid conversion from" "" { target c++11 } }
  func1(false);               // { dg-warning "converting 'false' to pointer" "" { target { ! c++11 } } }
// { dg-error "cannot convert" "" { target c++11 } .-1 }
  int i = NULL;               // { dg-warning "converting to non-pointer" }
}