ICH: Take CaptureClause of closure expressions into account.

Author: michaelwoerister

src/librustc_incremental/calculate_svh/svh_visitor.rs

@@ -275,7 +275,7 @@ enum SawExprComponent<'a> {
     SawExprIf,
     SawExprWhile,
     SawExprMatch,
-    SawExprClosure,
+    SawExprClosure(CaptureClause),
     SawExprBlock,
     SawExprAssign,
     SawExprAssignOp(hir::BinOp_),
@@ -304,7 +304,7 @@ fn saw_expr<'a>(node: &'a Expr_) -> SawExprComponent<'a> {
         ExprWhile(..)            => SawExprWhile,
         ExprLoop(_, id)          => SawExprLoop(id.map(|id| id.node.as_str())),
         ExprMatch(..)            => SawExprMatch,
-        ExprClosure(..)          => SawExprClosure,
+        ExprClosure(cc, _, _, _) => SawExprClosure(cc),
         ExprBlock(..)            => SawExprBlock,
         ExprAssign(..)           => SawExprAssign,
         ExprAssignOp(op, _, _)   => SawExprAssignOp(op.node),