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150
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1 // RUN: %clang_cc1 -Wchar-subscripts -fsyntax-only -verify %s
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2
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236
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3 void t1(void) {
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150
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4 int array[1] = { 0 };
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5 char subscript = 0;
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6 int val = array[subscript]; // expected-warning{{array subscript is of type 'char'}}
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7 }
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8
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236
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9 void t2(void) {
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150
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10 int array[1] = { 0 };
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11 char subscript = 0;
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12 int val = subscript[array]; // expected-warning{{array subscript is of type 'char'}}
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13 }
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14
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236
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15 void t3(void) {
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150
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16 int *array = 0;
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17 char subscript = 0;
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18 int val = array[subscript]; // expected-warning{{array subscript is of type 'char'}}
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19 }
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20
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236
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21 void t4(void) {
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150
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22 int *array = 0;
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23 char subscript = 0;
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24 int val = subscript[array]; // expected-warning{{array subscript is of type 'char'}}
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25 }
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26
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236
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27 char returnsChar(void);
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28 void t5(void) {
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150
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29 int *array = 0;
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30 int val = array[returnsChar()]; // expected-warning{{array subscript is of type 'char'}}
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31 }
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32
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236
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33 void t6(void) {
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150
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34 int array[1] = { 0 };
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35 signed char subscript = 0;
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36 int val = array[subscript]; // no warning for explicit signed char
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37 }
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38
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236
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39 void t7(void) {
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150
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40 int array[1] = { 0 };
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41 unsigned char subscript = 0;
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42 int val = array[subscript]; // no warning for unsigned char
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43 }
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44
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45 typedef char CharTy;
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236
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46 void t8(void) {
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150
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47 int array[1] = { 0 };
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48 CharTy subscript = 0;
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49 int val = array[subscript]; // expected-warning{{array subscript is of type 'char'}}
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50 }
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51
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52 typedef signed char SignedCharTy;
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236
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53 void t9(void) {
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150
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54 int array[1] = { 0 };
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55 SignedCharTy subscript = 0;
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56 int val = array[subscript]; // no warning for explicit signed char
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57 }
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58
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59 typedef unsigned char UnsignedCharTy;
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236
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60 void t10(void) {
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150
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61 int array[1] = { 0 };
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62 UnsignedCharTy subscript = 0;
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63 int val = array[subscript]; // no warning for unsigned char
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64 }
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