From e1d5c3c0544b981c08581a0cf40c759d2f5bdff0 Mon Sep 17 00:00:00 2001
From: Caleb Cartwright <caleb.cartwright@outlook.com>
Date: Sat, 7 Nov 2020 14:33:34 -0600
Subject: [PATCH] fix(rustc_parse): ConstBlock expr span

---
 compiler/rustc_parse/src/parser/mod.rs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/compiler/rustc_parse/src/parser/mod.rs b/compiler/rustc_parse/src/parser/mod.rs
index da1c54e88b5..c0c593ab591 100644
--- a/compiler/rustc_parse/src/parser/mod.rs
+++ b/compiler/rustc_parse/src/parser/mod.rs
@@ -873,7 +873,8 @@ impl<'a> Parser<'a> {
             id: DUMMY_NODE_ID,
             value: self.mk_expr(blk.span, ExprKind::Block(blk, None), AttrVec::new()),
         };
-        Ok(self.mk_expr(span, ExprKind::ConstBlock(anon_const), AttrVec::new()))
+        let blk_span = anon_const.value.span;
+        Ok(self.mk_expr(span.to(blk_span), ExprKind::ConstBlock(anon_const), AttrVec::new()))
     }
 
     /// Parses mutability (`mut` or nothing).