65 lines
1.5 KiB
C
65 lines
1.5 KiB
C
// RUN: clang-cc -Wchar-subscripts -fsyntax-only -verify %s
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void t1() {
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int array[1] = { 0 };
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char subscript = 0;
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int val = array[subscript]; // expected-warning{{array subscript is of type 'char'}}
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}
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void t2() {
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int array[1] = { 0 };
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char subscript = 0;
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int val = subscript[array]; // expected-warning{{array subscript is of type 'char'}}
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}
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void t3() {
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int *array = 0;
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char subscript = 0;
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int val = array[subscript]; // expected-warning{{array subscript is of type 'char'}}
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}
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void t4() {
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int *array = 0;
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char subscript = 0;
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int val = subscript[array]; // expected-warning{{array subscript is of type 'char'}}
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}
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char returnsChar();
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void t5() {
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int *array = 0;
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int val = array[returnsChar()]; // expected-warning{{array subscript is of type 'char'}}
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}
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void t6() {
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int array[1] = { 0 };
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signed char subscript = 0;
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int val = array[subscript]; // no warning for explicit signed char
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}
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void t7() {
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int array[1] = { 0 };
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unsigned char subscript = 0;
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int val = array[subscript]; // no warning for unsigned char
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}
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typedef char CharTy;
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void t8() {
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int array[1] = { 0 };
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CharTy subscript = 0;
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int val = array[subscript]; // expected-warning{{array subscript is of type 'char'}}
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}
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typedef signed char SignedCharTy;
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void t9() {
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int array[1] = { 0 };
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SignedCharTy subscript = 0;
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int val = array[subscript]; // no warning for explicit signed char
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}
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typedef unsigned char UnsignedCharTy;
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void t10() {
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int array[1] = { 0 };
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UnsignedCharTy subscript = 0;
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int val = array[subscript]; // no warning for unsigned char
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}
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