remove EffectCheck

Author: nikomatsakis

src/librustc/dep_graph/dep_node.rs

@@ -64,7 +64,6 @@ pub enum DepNode<D: Clone + Debug> {
     CollectItem(D),
     CollectItemSig(D),
     Coherence,
-    EffectCheck,
     Liveness,
     Resolve,
     EntryPoint,
@@ -219,7 +218,6 @@ impl<D: Clone + Debug> DepNode<D> {
             PluginRegistrar => Some(PluginRegistrar),
             StabilityIndex => Some(StabilityIndex),
             Coherence => Some(Coherence),
-            EffectCheck => Some(EffectCheck),
             Liveness => Some(Liveness),
             Resolve => Some(Resolve),
             EntryPoint => Some(EntryPoint),

src/librustc/middle/effect.rs

@@ -12,7 +12,6 @@
 //! `unsafe`.
 use self::RootUnsafeContext::*;
 
-use dep_graph::DepNode;
 use ty::{self, Ty, TyCtxt};
 use ty::MethodCall;
 use lint;
@@ -241,8 +240,6 @@ impl<'a, 'tcx> Visitor<'tcx> for EffectCheckVisitor<'a, 'tcx> {
 }
 
 pub fn check_crate<'a, 'tcx>(tcx: TyCtxt<'a, 'tcx, 'tcx>) {
-    let _task = tcx.dep_graph.in_task(DepNode::EffectCheck);
-
     let mut visitor = EffectCheckVisitor {
         tcx: tcx,
         tables: &ty::TypeckTables::empty(),