Regressions on trunk (power5) at revision 235007 vs revision 234951 on yavin3.rch.stglabs.ibm.com

[Bill Seurer on yavin3 (POWER5)]

New failures:
FAIL: g++.dg/cpp1y/vla11.C  -std=c++11 execution test
FAIL: g++.dg/cpp1y/vla11.C  -std=c++11 execution test
FAIL: g++.dg/cpp1y/vla11.C  -std=c++14 execution test
FAIL: g++.dg/cpp1y/vla11.C  -std=c++14 execution test

New passes:
FAIL: gcc.dg/vect/slp-perm-12.c -flto -ffat-lto-objects execution test
FAIL: gcc.dg/vect/slp-perm-12.c -flto -ffat-lto-objects execution test
FAIL: gcc.dg/vect/slp-perm-12.c execution test
FAIL: gcc.dg/vect/slp-perm-12.c execution test
FAIL: gcc.target/powerpc/pr70640.c scan-assembler xxlorc
FAIL: gcc.target/powerpc/pr70640.c scan-assembler xxlorc
FAIL: runtime