6   int val = array[subscript]; // expected-warning{{array subscript is of type 'char'}}  in t1()  local
12   int val = subscript[array]; // expected-warning{{array subscript is of type 'char'}}  in t2()  local
18   int val = array[subscript]; // expected-warning{{array subscript is of type 'char'}}  in t3()  local
24   int val = subscript[array]; // expected-warning{{array subscript is of type 'char'}}  in t4()  local
30   int val = array[returnsChar()]; // expected-warning{{array subscript is of type 'char'}}  in t5()  local
36   int val = array[subscript]; // no warning for explicit signed char  in t6()  local
42   int val = array[subscript]; // no warning for unsigned char  in t7()  local
49   int val = array[subscript]; // expected-warning{{array subscript is of type 'char'}}  in t8()  local
56   int val = array[subscript]; // no warning for explicit signed char  in t9()  local
63   int val = array[subscript]; // no warning for unsigned char  in t10()  local
68   int val = array['a']; // no warning for char with known positive value  in t11()  local
74   int val = array[b]; // expected-warning{{array subscript is of type 'char'}}  in t12()  local
80   int val = array[b]; // no warning for char with known positive value  in t13()  local
86   int val = array[b]; // no warning for char with known positive value  in t14()  local
94   int val = array[b];  in t15()  local
102   int val = array[b];  in t16()  local