| // PR c++/90805 - detect narrowing in case values. |
| // { dg-do compile { target c++11 } } |
| |
| void f(int i, char c, unsigned u) |
| { |
| switch (i) |
| { |
| case 2149056512u:; // { dg-error "narrowing conversion of .2149056512. from .unsigned int. to .int." } |
| case (long long int) 1e10:; // { dg-error "narrowing conversion of .10000000000. from .long long int. to .int." } |
| // { dg-warning "overflow in conversion" "overflow" { target *-*-* } .-1 } |
| } |
| |
| switch (c) |
| // No narrowing, the adjusted type is int. |
| case 300:; // { dg-warning "exceeds maximum value for type" } |
| |
| switch (u) |
| case -42:; // { dg-error "narrowing conversion of .-42. from .int. to .unsigned int." } |
| } |
