r271528 - in /branches/gcc-9-branch/libstdc++-v...

[redi@gcc.gnu.org]

Author: redi
Date: Wed May 22 22:36:21 2019
New Revision: 271528

URL: https://gcc.gnu.org/viewcvs?rev=271528&root=gcc&view=rev
Log:
PR libstdc++/90557 fix path assignment that alters source

Backport from mainline
2019-05-22  Jonathan Wakely  <jwakely@redhat.com>

	PR libstdc++/90557
	* src/c++17/fs_path.cc (path::_List::operator=(const _List&)): Fix
	reversed arguments to uninitialized_copy_n.
	* testsuite/27_io/filesystem/path/assign/copy.cc: Check that source
	is unchanged by copy assignment.
	* testsuite/util/testsuite_fs.h (compare_paths): Use std::equal to
	compare path components.

Modified:
    branches/gcc-9-branch/libstdc++-v3/ChangeLog
    branches/gcc-9-branch/libstdc++-v3/src/c++17/fs_path.cc
    branches/gcc-9-branch/libstdc++-v3/testsuite/27_io/filesystem/path/assign/copy.cc
    branches/gcc-9-branch/libstdc++-v3/testsuite/util/testsuite_fs.h