Regressions on trunk at revision 232230 vs revision 232209

[Intel Automatic Testing System [ia32 Core AVX2 PIC]]

New failures:

New passes:
FAIL: g++.dg/ipa/pr66616.C  -std=gnu++11 execution test
FAIL: g++.dg/ipa/pr66616.C  -std=gnu++14 execution test
FAIL: g++.dg/ipa/pr66616.C  -std=gnu++98 execution test