reference, declaration → definition
definition → references, declarations, derived classes, virtual overrides
reference to multiple definitions → definitions
unreferenced

    1
    2
    3
    4
    5
    6
    7
    8
    9
   10
   11
   12
   13
   14
   15
   16
   17
   18
   19
   20
   21
   22
   23
   24
   25
   26
   27
   28
   29
   30
   31
   32
   33
   34
   35
   36
   37
   38
   39
   40
   41
   42
   43
   44
   45
   46
   47
   48
   49
   50
   51
   52
   53
   54
   55
   56
   57
   58
   59
   60
   61
   62
   63
   64

// RUN: %clang_cc1 -Wchar-subscripts -fsyntax-only -verify %s

void t1() {
  int array[1] = { 0 };
  char subscript = 0;
  int val = array[subscript]; // expected-warning{{array subscript is of type 'char'}}
}

void t2() {
  int array[1] = { 0 };
  char subscript = 0;
  int val = subscript[array]; // expected-warning{{array subscript is of type 'char'}}
}

void t3() {
  int *array = 0;
  char subscript = 0;
  int val = array[subscript]; // expected-warning{{array subscript is of type 'char'}}
}

void t4() {
  int *array = 0;
  char subscript = 0;
  int val = subscript[array]; // expected-warning{{array subscript is of type 'char'}}
}

char returnsChar();
void t5() {
  int *array = 0;
  int val = array[returnsChar()]; // expected-warning{{array subscript is of type 'char'}}
}

void t6() {
  int array[1] = { 0 };
  signed char subscript = 0;
  int val = array[subscript]; // no warning for explicit signed char
}

void t7() {
  int array[1] = { 0 };
  unsigned char subscript = 0;
  int val = array[subscript]; // no warning for unsigned char
}

typedef char CharTy;
void t8() {
  int array[1] = { 0 };
  CharTy subscript = 0;
  int val = array[subscript]; // expected-warning{{array subscript is of type 'char'}}
}

typedef signed char SignedCharTy;
void t9() {
  int array[1] = { 0 };
  SignedCharTy subscript = 0;
  int val = array[subscript]; // no warning for explicit signed char
}

typedef unsigned char UnsignedCharTy;
void t10() {
  int array[1] = { 0 };
  UnsignedCharTy subscript = 0;
  int val = array[subscript]; // no warning for unsigned char
}