Regressions on trunk at revision 172752 vs revision 171027

[intel64profiled@gnu-16.sc.intel.com]

New failures:
FAIL: boehm-gc.c/thread_leak_test.c -O2 (test for excess errors)
FAIL: boehm-gc.c/thread_leak_test.c -O2 (test for excess errors)
FAIL: g++.dg/torture/pr48661.C  -O1  (internal compiler error)
FAIL: g++.dg/torture/pr48661.C  -O1  (internal compiler error)
FAIL: g++.dg/torture/pr48661.C  -O1  (test for excess errors)
FAIL: g++.dg/torture/pr48661.C  -O1  (test for excess errors)
FAIL: g++.dg/torture/pr48661.C  -O2  (internal compiler error)
FAIL: g++.dg/torture/pr48661.C  -O2  (internal compiler error)
FAIL: g++.dg/torture/pr48661.C  -O2  (test for excess errors)
FAIL: g++.dg/torture/pr48661.C  -O2  (test for excess errors)
FAIL: g++.dg/torture/pr48661.C  -O2 -flto  (internal compiler error)
FAIL: g++.dg/torture/pr48661.C  -O2 -flto  (internal compiler error)
FAIL: g++.dg/torture/pr48661.C  -O2 -flto  (test for excess errors)
FAIL: g++.dg/torture/pr48661.C  -O2 -flto  (test for excess errors)
FAIL: g++.dg/torture/pr48661.C  -O2 -flto -flto-partition=none  (internal compiler error)
FAIL: g++.dg/torture/pr48661.C  -O2 -flto -flto-partition=none  (internal compiler error)
FAIL: g++.dg/torture/pr48661.C  -O2 -flto -flto-partition=none  (test for excess errors)
FAIL: g++.dg/torture/pr48661.C  -O2 -flto -flto-partition=none  (test for excess errors)
FAIL: g++.dg/torture/pr48661.C  -O3 -fomit-frame-pointer  (internal compiler error)
FAIL: g++.dg/torture/pr48661.C  -O3 -fomit-frame-pointer  (internal compiler error)
FAIL: g++.dg/torture/pr48661.C  -O3 -fomit-frame-pointer  (test for excess errors)
FAIL: g++.dg/torture/pr48661.C  -O3 -fomit-frame-pointer  (test for excess errors)
FAIL: g++.dg/torture/pr48661.C  -O3 -g  (internal compiler error)
FAIL: g++.dg/torture/pr48661.C  -O3 -g  (internal compiler error)
FAIL: g++.dg/torture/pr48661.C  -O3 -g  (test for excess errors)
FAIL: g++.dg/torture/pr48661.C  -O3 -g  (test for excess errors)
FAIL: g++.dg/torture/pr48661.C  -Os  (internal compiler error)
FAIL: g++.dg/torture/pr48661.C  -Os  (internal compiler error)
FAIL: g++.dg/torture/pr48661.C  -Os  (test for excess errors)
FAIL: g++.dg/torture/pr48661.C  -Os  (test for excess errors)
FAIL: gfortran.dg/module_write_1.f90  -O  (internal compiler error)
FAIL: gfortran.dg/module_write_1.f90  -O  (internal compiler error)
FAIL: gfortran.dg/module_write_1.f90  -O  (test for excess errors)
FAIL: gfortran.dg/module_write_1.f90  -O  (test for excess errors)

New passes:
FAIL: gcc.dg/guality/pr36728-1.c  -O2 -flto  line 12 arg1 == 1
FAIL: gcc.dg/guality/pr36728-1.c  -O2 -flto  line 14 arg1 == 1
FAIL: gcc.dg/guality/pr36728-1.c  -O2 -flto -flto-partition=none  line 12 arg1 == 1
FAIL: gcc.dg/guality/pr36728-1.c  -O2 -flto -flto-partition=none  line 14 arg1 == 1
FAIL: gcc.dg/guality/sra-1.c  -O2  line 43 a.j == 14
FAIL: gcc.dg/guality/sra-1.c  -O2 -flto  line 43 a.j == 14
FAIL: gcc.dg/guality/sra-1.c  -O2 -flto  line 43 a.j == 14
FAIL: gcc.dg/guality/sra-1.c  -O2 -flto -flto-partition=none  line 43 a.j == 14
FAIL: gcc.dg/guality/sra-1.c  -O2 -flto -flto-partition=none  line 43 a.j == 14
FAIL: gcc.dg/guality/sra-1.c  -O3 -fomit-frame-pointer  line 43 a.j == 14
FAIL: gcc.dg/guality/sra-1.c  -O3 -g  line 43 a.j == 14
FAIL: gcc.dg/guality/sra-1.c  -Os  line 43 a.j == 14
FAIL: gcc.dg/guality/vla-1.c  -O1  line 17 sizeof (a) == 6
FAIL: gcc.dg/guality/vla-1.c  -O2  line 17 sizeof (a) == 6
FAIL: gcc.dg/guality/vla-1.c  -O2 -flto  line 17 sizeof (a) == 6
FAIL: gcc.dg/guality/vla-1.c  -O3 -fomit-frame-pointer  line 17 sizeof (a) == 6
FAIL: gcc.dg/guality/vla-1.c  -O3 -g  line 17 sizeof (a) == 6
FAIL: gcc.dg/guality/vla-1.c  -Os  line 17 sizeof (a) == 6