r265984 - in /trunk/libstdc++-v3: ChangeLog inc...

Fri Nov 9 20:14:00 GMT 2018

Author: redi
Date: Fri Nov  9 20:14:07 2018
New Revision: 265984

URL: https://gcc.gnu.org/viewcvs?rev=265984&root=gcc&view=rev
Log:
PR libstdc++/87787 fix UBsan error in std::vector

	PR libstdc++/87787
	* include/bits/stl_uninitialized.h (__relocate_a_1): Do not call
	memmove when there's nothing to copy (and pointers could be null).

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