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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [gcc/] [testsuite/] [gcc.dg/] [pr32207.c] - Blame information for rev 690

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/* Test warning for comparison non-null address with null pointer constant. */
/* Origin: Pawel Sikora <pluto@agmk.net> */
/* { dg-do compile } */
/* { dg-options "-Waddress" } */
extern void z();
 
void f() { if ( z ) z(); } /* { dg-warning "always evaluate as" } */
void g() { if ( z != 0 ) z(); } /* { dg-warning "the comparison will always evaluate as 'true'" } */
void h() { if ( z != (void*)0 ) z(); } /* { dg-warning "the comparison will always evaluate as 'true'" } */

Line No.	Rev	Author	Line
1	689	jeremybenn	`/* Test warning for comparison non-null address with null pointer constant. */`
2			`/* Origin: Pawel Sikora <pluto@agmk.net> */`
3			`/* { dg-do compile } */`
4			`/* { dg-options "-Waddress" } */`
5			`extern void z();`
6
7			`void f() { if ( z ) z(); } /* { dg-warning "always evaluate as" } */`
8			`void g() { if ( z != 0 ) z(); } /* { dg-warning "the comparison will always evaluate as 'true'" } */`
9			`void h() { if ( z != (void)0 ) z(); } / { dg-warning "the comparison will always evaluate as 'true'" } */`

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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [gcc/] [testsuite/] [gcc.dg/] [pr32207.c] - Blame information for rev 690