From 1f8780be706f557d840e6c8e8b9188444f11df82 Mon Sep 17 00:00:00 2001
From: CohenArthur <arthur.cohen@epita.fr>
Date: Sun, 27 Mar 2022 13:35:03 +0200
Subject: [PATCH] is_match_compatible: Fix warning of uninitialized delim_id
 variable

Since all cases in the switch were handled, this was not really a
problem. Still, we should avoid those in case we need to add
delimiters at some point

Co-authored-by: Thomas Schwinge <thomas@schwinge.name>
---
 gcc/rust/parse/rust-parse.cc | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/gcc/rust/parse/rust-parse.cc b/gcc/rust/parse/rust-parse.cc
index b77100a227d..f1e2caa258b 100644
--- a/gcc/rust/parse/rust-parse.cc
+++ b/gcc/rust/parse/rust-parse.cc
@@ -241,6 +241,9 @@ peculiar_fragment_match_compatible (const AST::MacroMatchFragment &last_match,
 	  case AST::CURLY:
 	    delim_id = LEFT_CURLY;
 	    break;
+	  default:
+	    gcc_unreachable ();
+	    break;
 	  }
 	if (contains (allowed_toks, delim_id))
 	  return true;