r260009 - in /trunk/libstdc++-v3: ChangeLog inc...

Mon May 7 17:26:00 GMT 2018

Author: redi
Date: Mon May  7 17:26:28 2018
New Revision: 260009

URL: https://gcc.gnu.org/viewcvs?rev=260009&root=gcc&view=rev
Log:
PR libstdc++/85671 allow copy elision in path concatenation

By performing the /= operation on a named local variable instead of a
temporary the copy made for the return value can be elided.

	PR libstdc++/85671
	* include/bits/fs_path.h (operator/): Permit copy elision.
	* include/experimental/bits/fs_path.h (operator/): Likewise.

Modified:
    trunk/libstdc++-v3/ChangeLog
    trunk/libstdc++-v3/include/bits/fs_path.h
    trunk/libstdc++-v3/include/experimental/bits/fs_path.h