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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [testsuite/] [gcc.dg/] [compare9.c] - Rev 298
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/* Test for a bogus warning on comparison between signed and unsigned. This was inspired by code in gcc. This testcase is identical to compare1.c except that we use -fshort-enums here and do not expect a warning from case 4. */ /* { dg-do compile } */ /* { dg-options "-fshort-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-bogus "signed and unsigned" "case 4" } */ }