Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/c-c++-common/Waddress-2.c @ 111:04ced10e8804
gcc 7
author | kono |
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date | Fri, 27 Oct 2017 22:46:09 +0900 |
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/* PR c/47931 - missing -Waddress warning for comparison with NULL { dg-do compile } { dg-options "-Waddress" } */ #define NULL ((void *) 0) int i; int f0 (void) { return &i != 0; /* { dg-warning "the address of .i. will never be NULL" } */ } int f1 (void) { return &i != (void *) 0; /* { dg-warning "the address of .i. will never be NULL" } */ } int f2 (void) { return &i != NULL; /* { dg-warning "the address of .i. will never be NULL" } */ }