src/test/ui/dep-graph/dep-graph-check-attr.rs

   1 // Test that using rustc_clean/dirty/if_this_changed/then_this_would_need
   2 // are forbidden when `-Z query-dep-graph` is not enabled.
   3
   4 #![feature(rustc_attrs)]
   5 #![allow(dead_code)]
   6 #![allow(unused_variables)]
   7
   8 #[rustc_clean(hir_owner)] //~ ERROR attribute requires -Z query-dep-graph
   9 fn main() {}
  10
  11 #[rustc_if_this_changed(hir_owner)] //~ ERROR attribute requires -Z query-dep-graph
  12 struct Foo<T> {
  13     f: T,
  14 }
  15
  16 #[rustc_clean(hir_owner)] //~ ERROR attribute requires -Z query-dep-graph
  17 type TypeAlias<T> = Foo<T>;
  18
  19 #[rustc_then_this_would_need(variances_of)] //~ ERROR attribute requires -Z query-dep-graph
  20 trait Use<T> {}