https://gcc.gnu.org/ml/gcc-patches/2018-08/msg01966.html
	PR c++/87137
	* stor-layout.c (place_field): Scan forwards to check last
	bitfield when ms_bitfield_placement is in effect.
	gcc/testsuite/
	* g++.dg/abi/pr87137.C: New.

From-SVN: r264119