/* Test for a bogus warning on comparison between signed and unsigned. This was inspired by code in gcc. This testcase is identical to compare9.c except that we use -fno-short-enums here and expect a warning from case 4. */ /* { dg-do compile } */ /* { dg-options "-fno-short-enums -Wsign-compare" } */ int tf = 1; /* This enumeration has an explicit negative value and is therefore signed. */ enum mm1 { VOID, SI, DI, MAX = -1 }; /* This enumeration fits entirely in a signed int, but is unsigned anyway. */ enum mm2 { VOID2, SI2, DI2, MAX2 }; int f(enum mm1 x) { return x == (tf?DI:SI); /* { dg-bogus "signed and unsigned" "case 1" } */ } int g(enum mm1 x) { return x == (tf?DI:-1); /* { dg-bogus "signed and unsigned" "case 2" } */ } int h(enum mm2 x) { return x == (tf?DI2:SI2); /* { dg-bogus "signed and unsigned" "case 3" } */ } int i(enum mm2 x) { return x == (tf?DI2:-1); /* { dg-warning "signed and unsigned" "case 4" } */ }