Viewing file:  Wlogical-op-1.c (1.62 KB) -rw-r--r--
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/*
{ dg-do compile }
{ dg-options "-Wlogical-op" }
*/
enum { a, ba, b };
enum testenum { t1, t2};
extern int c;
extern char bool_a, bool_b;
extern int testa();
void foo()
{
if ( testa() && b ) /* { dg-warning "logical" } */
(void)testa();
if ( c && b ) /* { dg-warning "logical" } */
(void)testa();
if ( c && 0x42 ) /* { dg-warning "logical" } */
(void)testa();
if ( c && 0x80 >>6) /* { dg-warning "logical" } */
(void)testa();
if ( b && c == a ) /* { dg-bogus "logical" } */
(void)testa();
if ( 1 && c ) /* { dg-bogus "logical" } */
(void)testa();
if ( t2 && b ) /* { dg-bogus "logical" } */
(void)testa();
if ( 0 && c == a ) /* { dg-bogus "logical" } */
(void)testa();
if ( b && 1 ) /* { dg-bogus "logical" } */
(void)testa();
}
void bar()
{
if ( testa() || b ) /* { dg-warning "logical" } */
(void)testa();
if ( c || b ) /* { dg-warning "logical" } */
(void)testa();
if ( c || 0x42 ) /* { dg-warning "logical" } */
(void) testa();
if ( c || 0x80 >>6) /* { dg-warning "logical" } */
(void)testa();
if ( b || c == a ) /* { dg-bogus "logical" } */
(void)testa();
if ( 1 || c ) /* { dg-bogus "logical" } */
(void)testa();
if ( t2 || b ) /* { dg-bogus "logical" } */
(void)testa();
if ( 0 || c == a ) /* { dg-bogus "logical" } */
(void)testa();
if ( b || 1 ) /* { dg-bogus "logical" } */
(void)testa();
}
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