tests/ui/diagnostic-flags/deduplicate-diagnostics.rs


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//! Test that `-Z deduplicate-diagnostics` flag properly deduplicates diagnostic messages.

//@ revisions: duplicate deduplicate
//@[deduplicate] compile-flags: -Z deduplicate-diagnostics=yes

#[derive(Unresolved)] //~ ERROR cannot find derive macro `Unresolved` in this scope
                      //[duplicate]~| ERROR cannot find derive macro `Unresolved` in this scope
struct S;

#[deny("literal")] //~ ERROR malformed lint attribute input
                   //[duplicate]~| ERROR malformed lint attribute input
                   //[duplicate]~| ERROR malformed lint attribute input
fn main() {}