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/* PR c/89888 */
/* { dg-do compile { target { int32 } } } */
/* { dg-options "" } */
long long y;
void
foo (unsigned char x)
{
switch (x)
{
case -1: y = -1; break; /* { dg-message "previously used here" } */
/* { dg-warning "case label value is less than minimum value for type" "" { target *-*-* } .-1 } */
case 0xffffffff: y = 0xffffffff; break; /* { dg-error "duplicate case value|narrowing" } */
case ~0U: y = ~0U; break; /* { dg-error "duplicate case value|narrowing" } */
}
}
void
bar (unsigned char x)
{
switch (x)
{
case -1: y = -1; break; /* { dg-message "previously used here" } */
/* { dg-warning "case label value is less than minimum value for type" "" { target *-*-* } .-1 } */
case -1: y = -1; break; /* { dg-error "duplicate case value" } */
case -1: y = -1; break; /* { dg-error "duplicate case value" } */
}
}
void
baz (unsigned char x)
{
switch (x)
{
case -7: y = -7; break; /* { dg-warning "case label value is less than minimum value for type" } */
case -5 ... 2: y = -5; break; /* { dg-warning "lower value in case label range less than minimum value for type" } */
case 18: y = 18; break;
case (unsigned char) -2 ... 4 + (unsigned char) -2: y = 2; break; /* { dg-warning "upper value in case label range exceeds maximum value for type" } */
case 24 + (unsigned char) -2: y = 3; break; /* { dg-warning "case label value exceeds maximum value for type" } */
}
}
void
qux (unsigned char x)
{
switch (x)
{
case (unsigned char) -1 ... 1 + (unsigned char) -1: y = 2; break; /* { dg-warning "upper value in case label range exceeds maximum value for type" } */
case -12: y = -7; break; /* { dg-warning "case label value is less than minimum value for type" } */
case 18: y = 18; break;
case 27 + (unsigned char) -1: y = 3; break; /* { dg-warning "case label value exceeds maximum value for type" } */
case -1 ... 0: y = -5; break; /* { dg-warning "lower value in case label range less than minimum value for type" } */
}
}
void
quux (unsigned char x)
{
switch (x)
{
case (unsigned char) -2 ... (unsigned char) -1: y = 2; break;
case 18: y = 18; break;
case 1 + (unsigned char) -1: y = 3; break; /* { dg-warning "case label value exceeds maximum value for type" } */
case -2 ... -1: y = -5; break; /* { dg-warning "case label value is less than minimum value for type" } */
}
}
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