clang/test/SemaCXX/warn-address.cpp

   1 // RUN: %clang_cc1 -fsyntax-only -verify -Wno-bool-conversion -Wno-string-compare -Wno-tautological-compare -Waddress %s
   2 // RUN: %clang_cc1 -fsyntax-only -verify %s
   3
   4 void foo();
   5 int arr[5];
   6 int global;
   7 const char* str = "";
   8
   9 void test() {
  10   if (foo) {}            // expected-warning{{always evaluate to 'true'}} \
  11                          // expected-note{{silence}}
  12   if (arr) {}            // expected-warning{{always evaluate to 'true'}}
  13   if (&global) {}        // expected-warning{{always evaluate to 'true'}}
  14   if (foo == 0) {}       // expected-warning{{always false}} \
  15                          // expected-note{{silence}}
  16   if (arr == 0) {}       // expected-warning{{always false}}
  17   if (&global == 0) {}   // expected-warning{{always false}}
  18
  19   if (str == "foo") {}   // expected-warning{{unspecified}}
  20 }