1 /* 2 { dg-do compile } 3 { dg-options "-Wlogical-op" } 4 */ 5 6 enum { a, ba, b }; 7 8 enum testenum { t1, t2}; 9 10 extern int c; 11 extern char bool_a, bool_b; 12 13 extern int testa(); 14 foo()15void foo() 16 { 17 if ( testa() && b ) /* { dg-warning "logical" } */ 18 (void)testa(); 19 20 if ( c && b ) /* { dg-warning "logical" } */ 21 (void)testa(); 22 23 if ( c && 0x42 ) /* { dg-warning "logical" } */ 24 (void)testa(); 25 26 if ( c && 0x80 >>6) /* { dg-warning "logical" } */ 27 (void)testa(); 28 29 30 if ( b && c == a ) /* { dg-bogus "logical" } */ 31 (void)testa(); 32 33 if ( 1 && c ) /* { dg-bogus "logical" } */ 34 (void)testa(); 35 36 if ( t2 && b ) /* { dg-bogus "logical" } */ 37 (void)testa(); 38 39 if ( 0 && c == a ) /* { dg-bogus "logical" } */ 40 (void)testa(); 41 42 if ( b && 1 ) /* { dg-bogus "logical" } */ 43 (void)testa(); 44 } 45 46 bar()47void bar() 48 { 49 if ( testa() || b ) /* { dg-warning "logical" } */ 50 (void)testa(); 51 52 if ( c || b ) /* { dg-warning "logical" } */ 53 (void)testa(); 54 55 if ( c || 0x42 ) /* { dg-warning "logical" } */ 56 (void) testa(); 57 58 if ( c || 0x80 >>6) /* { dg-warning "logical" } */ 59 (void)testa(); 60 61 62 if ( b || c == a ) /* { dg-bogus "logical" } */ 63 (void)testa(); 64 65 if ( 1 || c ) /* { dg-bogus "logical" } */ 66 (void)testa(); 67 68 if ( t2 || b ) /* { dg-bogus "logical" } */ 69 (void)testa(); 70 71 if ( 0 || c == a ) /* { dg-bogus "logical" } */ 72 (void)testa(); 73 74 if ( b || 1 ) /* { dg-bogus "logical" } */ 75 (void)testa(); 76 } 77 78