clang/test/SemaCXX/warn-char-subscripts.cpp

   1 // RUN: %clang_cc1 -Wchar-subscripts -fsyntax-only -verify %s
   2
   3 template<typename T>
   4 void t1() {
   5   int array[1] = { 0 };
   6   T subscript = 0;
   7   int val = array[subscript]; // expected-warning{{array subscript is of type 'char'}}
   8 }
   9
  10 template<typename T>
  11 void t2() {
  12   int array[1] = { 0 };
  13   T subscript = 0;
  14   int val = subscript[array]; // expected-warning{{array subscript is of type 'char'}}
  15 }
  16
  17 void test() {
  18   t1<char>(); // expected-note {{in instantiation of function template specialization 't1<char>' requested here}}
  19   t2<char>(); // expected-note {{in instantiation of function template specialization 't2<char>' requested here}}
  20 }
  21