[committed] libstdc++: Add noexcept to declaration of path::_List members

[Jonathan Wakely <jwakely@redhat.com>]

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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.

Tested x86_64-linux. Committed to trunk.


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commit fe9d058ca28e0e3a50c44096ce112763057e686e
Author: Jonathan Wakely <jwakely@redhat.com>
Date:   Tue Oct 27 14:48:50 2020

    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.

diff --git a/libstdc++-v3/include/bits/fs_path.h b/libstdc++-v3/include/bits/fs_path.h
index 5a0917c582d..7c0b2462d00 100644
--- a/libstdc++-v3/include/bits/fs_path.h
+++ b/libstdc++-v3/include/bits/fs_path.h
@@ -681,10 +681,10 @@ namespace __detail
       // 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;