Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/c-c++-common/Waddress-2.c @ 131:84e7813d76e9
gcc-8.2
author | mir3636 |
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date | Thu, 25 Oct 2018 07:37:49 +0900 |
parents | 04ced10e8804 |
children |
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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" } */ }