r268681 - in /branches/gcc-8-branch/libstdc++-v...

[redi@gcc.gnu.org]

Author: redi
Date: Fri Feb  8 12:20:03 2019
New Revision: 268681

URL: https://gcc.gnu.org/viewcvs?rev=268681&root=gcc&view=rev
Log:
PR libstdc++/89117 backport path::replace_extension("") fix

Although the reported bug isn't present on the branch, adjusting the
final component avoids leaving a broken invariant in case of an
exception.

Backport from mainline
2019-01-30  Jonathan Wakely  <jwakely@redhat.com>

	PR libstdc++/89117
	* src/c++17/fs_path.cc (path::replace_extension): Erase extension from
	final component as well as from _M_pathname.
	* testsuite/27_io/filesystem/path/modifiers/replace_extension.cc:
	Add more test cases.

Modified:
    branches/gcc-8-branch/libstdc++-v3/ChangeLog
    branches/gcc-8-branch/libstdc++-v3/src/filesystem/std-path.cc
    branches/gcc-8-branch/libstdc++-v3/testsuite/27_io/filesystem/path/modifiers/replace_extension.cc