| // Verify the compiler fails with an error on infinite function | |
| // recursions. | |
| //@ build-fail | |
| //@ compile-flags: --diagnostic-width=100 -Zwrite-long-types-to-disk=yes | |
| fn generic<T>() { //~ WARN function cannot return without recursing | |
| generic::<Option<T>>(); | |
| } | |
| //~^^ ERROR reached the recursion limit while instantiating `generic::<Option< | |
| fn main () { | |
| // Use generic<T> at least once to trigger instantiation. | |
| generic::<i32>(); | |
| } |