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annotate gcc/testsuite/gcc.dg/ordered-comparison-3.c @ 111:04ced10e8804

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gcc 7
author kono
date Fri, 27 Oct 2017 22:46:09 +0900
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111
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1 /* Test warning for ordered comparison pointer with null pointer constant. */
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2 /* Test with -pedantic-errors. */
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3 /* { dg-do compile } */
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4 /* { dg-options "-pedantic-errors" } */
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5 extern void z();
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6 void *p;
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7
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8 void f() {
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9 if ( z >= 0 ) /* { dg-error "ordered comparison of pointer with" } */
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10 z();
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11 if ( 0 >= z) /* { dg-error "ordered comparison of pointer with" } */
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12 z();
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13 if ( p >= (void*)0 )
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14 z();
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15 if ( (void*)0 >= p)
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16 z();
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17 if (z >= (void*)0) /* { dg-error "distinct pointer types lacks a cast" } */
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18 z();
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19 if ((void*)0 >=z) /* { dg-error "distinct pointer types lacks a cast" } */
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20 z();
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21 }