30 lines
544 B
C
30 lines
544 B
C
/* Test -Wchar-subscripts. */
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/* Origin: Joseph Myers <joseph@codesourcery.com> */
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/* { dg-do compile } */
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/* { dg-options "-Wchar-subscripts" } */
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extern int a[];
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int *p;
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char c;
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signed char sc;
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unsigned char uc;
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void
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f (void)
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{
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a[sc];
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a[uc];
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sc[a];
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uc[a];
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p[sc];
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p[uc];
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sc[p];
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uc[p];
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a[c]; /* { dg-warning "array subscript has type 'char'" } */
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p[c]; /* { dg-warning "array subscript has type 'char'" } */
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/* -Wchar-subscripts does not warn if the char is not syntactically
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the subscript. */
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c[a];
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c[p];
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}
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