Regressions on trunk at revision 202100 vs revision 202097

[Kirill Yukhin [Intel32 Core AVX-i]]

New failures:
FAIL: g++.dg/guality/pr55665.C  -O2  line 23 p == 40
FAIL: g++.dg/guality/pr55665.C  -O3 -fomit-frame-pointer  line 23 p == 40
FAIL: g++.dg/guality/pr55665.C  -O3 -g  line 23 p == 40
FAIL: gcc.c-torture/execute/20041214-1.c compilation,  -O2 -flto -flto-partition=none 

New passes:
FAIL: gcc.c-torture/execute/pr40022.c compilation,  -O2 -flto -flto-partition=none