r229831 - in /trunk/gcc: cp/ChangeLog cp/init.c...

[msebor@gcc.gnu.org]

Author: msebor
Date: Fri Nov  6 01:08:53 2015
New Revision: 229831

URL: https://gcc.gnu.org/viewcvs?rev=229831&root=gcc&view=rev
Log:
PR c++/67942 - diagnose placement new buffer overflow

gcc/cp/
	* cp/init.c (warn_placement_new_too_small): Avoid assuming
	the size of the first operand of placement new or its type
	is known.

gcc/testsuite/
	* g++.dg/warn/Wplacement-new-size.C: Exercise placement new
	invocations where the size of the destination buffer object
	or its type (or both) is unknown.

Modified:
    trunk/gcc/cp/ChangeLog
    trunk/gcc/cp/init.c
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/testsuite/g++.dg/warn/Wplacement-new-size.C