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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
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" } */
}
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