From f204b7ec767b6bcd3b4e0e5893e2108f2d13e031 Mon Sep 17 00:00:00 2001
From: flip1995 <hello@philkrones.com>
Date: Sat, 16 Feb 2019 22:40:44 +0100
Subject: [PATCH] Fix ICE #3717

Restore the old `TypeckTables` in visit_body after walking the body
---
 clippy_lints/src/types.rs | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/clippy_lints/src/types.rs b/clippy_lints/src/types.rs
index 79e9f4f27d24..227b10cd29a6 100644
--- a/clippy_lints/src/types.rs
+++ b/clippy_lints/src/types.rs
@@ -2239,8 +2239,10 @@ impl<'a, 'b, 'tcx: 'a + 'b> ImplicitHasherConstructorVisitor<'a, 'b, 'tcx> {
 
 impl<'a, 'b, 'tcx: 'a + 'b> Visitor<'tcx> for ImplicitHasherConstructorVisitor<'a, 'b, 'tcx> {
     fn visit_body(&mut self, body: &'tcx Body) {
+        let prev_body = self.body;
         self.body = self.cx.tcx.body_tables(body.id());
         walk_body(self, body);
+        self.body = prev_body;
     }
 
     fn visit_expr(&mut self, e: &'tcx Expr) {