Regressions on trunk (power6) at revision 235047 vs revision 234987 on yavin3.rch.stglabs.ibm.com

[Bill Seurer on yavin3 (POWER6)]

New failures:

New passes:
FAIL: boehm-gc.c/gctest.c -O2 execution test
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
FAIL: gcc.dg/ira-shrinkwrap-prep-2.c scan-rtl-dump pro_and_epilogue "Performing shrink-wrapping"
FAIL: gcc.dg/pr10474.c scan-rtl-dump pro_and_epilogue "Performing shrink-wrapping"
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