r237526 - in /trunk/libstdc++-v3: ChangeLog inc...

[redi@gcc.gnu.org]

Author: redi
Date: Thu Jun 16 12:42:21 2016
New Revision: 237526

URL: https://gcc.gnu.org/viewcvs?rev=237526&root=gcc&view=rev
Log:
Optimize inserting value_type into std::vector

	* include/bits/stl_vector.h (vector::_S_insert_aux_assign): Define
	new overloaded functions.
	* include/bits/vector.tcc (vector::_M_insert_aux): Use new functions
	to avoid creating a redundant temporary.
	* testsuite/23_containers/vector/modifiers/insert_vs_emplace.cc: New
	test.

Added:
    trunk/libstdc++-v3/testsuite/23_containers/vector/modifiers/insert_vs_emplace.cc
Modified:
    trunk/libstdc++-v3/ChangeLog
    trunk/libstdc++-v3/include/bits/stl_vector.h
    trunk/libstdc++-v3/include/bits/vector.tcc