[gcc r9-9379] libstdc++: Add noexcept to declaration of path::_List members

[Jonathan Wakely]

https://gcc.gnu.org/g:51d19b9b06cef05a5368c8f07c2c6269e6b1f8b0

commit r9-9379-g51d19b9b06cef05a5368c8f07c2c6269e6b1f8b0
Author: Jonathan Wakely <jwakely@redhat.com>
Date:   Tue Oct 27 14:48:50 2020 +0000

    libstdc++: Add noexcept to declaration of path::_List members
    
    libstdc++-v3/ChangeLog:
    
            * include/bits/fs_path.h (path::_List::begin, path::_List::end):
            Add noexcept to match definitions in src/c++17/fs_path.cc.
    
    (cherry picked from commit fe9d058ca28e0e3a50c44096ce112763057e686e)

Diff:
---
 libstdc++-v3/include/bits/fs_path.h | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/libstdc++-v3/include/bits/fs_path.h b/libstdc++-v3/include/bits/fs_path.h
index f674d6aec45..13eb18c0652 100644
--- a/libstdc++-v3/include/bits/fs_path.h
+++ b/libstdc++-v3/include/bits/fs_path.h
@@ -583,10 +583,10 @@ _GLIBCXX_BEGIN_NAMESPACE_CXX11
       // All the member functions below here have a precondition !empty()
       // (and they should only be called from within the library).
 
-      iterator begin();
-      iterator end();
-      const_iterator begin() const;
-      const_iterator end() const;
+      iterator begin() noexcept;
+      iterator end() noexcept;
+      const_iterator begin() const noexcept;
+      const_iterator end() const noexcept;
 
       value_type& front() noexcept;
       value_type& back() noexcept;