gcc/testsuite/g++.dg/warn/Wnull-conversion-1.C

   1 // { dg-do compile }
   2 // { dg-options "-Wconversion-null" }
   3
   4 #include <stddef.h>
   5
   6 void func1(int* ptr);
   7
   8 void func2() {
   9   int* t = false;             // { dg-warning "converting 'false' to pointer" }
  10   int* p;
  11   p = false;                  // { dg-warning "converting 'false' to pointer" }
  12   int* r = sizeof(char) / 2;
  13   func1(false);               // { dg-warning "converting 'false' to pointer" }
  14   int i = NULL;               // { dg-warning "converting to non-pointer" }
  15 }