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annotate gcc/testsuite/gcc.dg/ordered-comparison-4.c @ 131:84e7813d76e9

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gcc-8.2
author mir3636
date Thu, 25 Oct 2018 07:37:49 +0900
parents 04ced10e8804
children
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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 -Wextra. */
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3 /* { dg-do compile } */
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4 /* { dg-options "-Wextra" } */
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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-warning "ordered comparison of pointer with" } */
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10 z();
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11 if (0 >= z) /* { dg-warning "ordered comparison of pointer with" } */
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12 z();
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13 if (p >= (void*)0) /* { dg-warning "ordered comparison of pointer with null pointer" } */
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14 z();
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15 if ((void*)0 >= p) /* { dg-warning "ordered comparison of pointer with null pointer" } */
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16 z();
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17 if (z >= (void*)0) /* { dg-warning "distinct pointer types lacks a cast" } */
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18 z();
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19 if ((void*)0 >=z) /* { dg-warning "distinct pointer types lacks a cast" } */
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20 z();
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21 }