From 0a010b33ffc078db27100d008105cc151e3f3989 Mon Sep 17 00:00:00 2001
From: Camille GILLOT <gillot.camille@gmail.com>
Date: Thu, 2 Apr 2020 10:13:38 +0200
Subject: [PATCH] Fix unused parentheses warning.

---
 src/librustc_macros/src/query.rs | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/librustc_macros/src/query.rs b/src/librustc_macros/src/query.rs
index 7ed77304a90..229ccfe08f7 100644
--- a/src/librustc_macros/src/query.rs
+++ b/src/librustc_macros/src/query.rs
@@ -107,7 +107,9 @@ fn parse(input: ParseStream<'_>) -> Result<Self> {
             let block = input.parse()?;
             Ok(QueryModifier::LoadCached(tcx, id, block))
         } else if modifier == "storage" {
-            let ty = input.parse()?;
+            let args;
+            parenthesized!(args in input);
+            let ty = args.parse()?;
             Ok(QueryModifier::Storage(ty))
         } else if modifier == "fatal_cycle" {
             Ok(QueryModifier::FatalCycle)
-- 
2.44.0