From 044b04348cfdc12848f1c6d5a8f45087c3075390 Mon Sep 17 00:00:00 2001
From: Jonathan Wakely <jwakely@redhat.com>
Date: Tue, 27 Oct 2020 14:49:37 +0000
Subject: [PATCH] libstdc++: Fix directory_iterator exception specification

libstdc++-v3/ChangeLog:

	* src/c++17/fs_dir.cc (fs::directory_iterator::operator*):
	Add noexcept. Do not throw on precondition violation.
---
 libstdc++-v3/src/c++17/fs_dir.cc | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/libstdc++-v3/src/c++17/fs_dir.cc b/libstdc++-v3/src/c++17/fs_dir.cc
index 784df2de53f..4932330de52 100644
--- a/libstdc++-v3/src/c++17/fs_dir.cc
+++ b/libstdc++-v3/src/c++17/fs_dir.cc
@@ -148,12 +148,8 @@ directory_iterator(const path& p, directory_options options, error_code* ecptr)
 }
 
 const fs::directory_entry&
-fs::directory_iterator::operator*() const
+fs::directory_iterator::operator*() const noexcept
 {
-  if (!_M_dir)
-    _GLIBCXX_THROW_OR_ABORT(filesystem_error(
-	  "non-dereferenceable directory iterator",
-	  std::make_error_code(errc::invalid_argument)));
   return _M_dir->entry;
 }
 
-- 
2.30.2