Regressions on trunk at revision 171396 vs revision 171391

[H.J. Lu Intel64 Core 2/i7]

New failures:
FAIL: gcc.c-torture/compile/920413-1.c  -O0  (test for excess errors)
FAIL: gcc.dg/guality/vla-1.c  -O2 -flto  line 17 sizeof (a) == 6

New passes:
FAIL: gcc.c-torture/execute/builtins/strlen-2.c compilation,  -O3 -fomit-frame-pointer  (internal compiler error)
FAIL: gcc.c-torture/execute/builtins/strlen-2.c compilation,  -O3 -fomit-frame-pointer  (internal compiler error)
FAIL: gcc.c-torture/execute/builtins/strlen-2.c compilation,  -O3 -g  (internal compiler error)
FAIL: gcc.c-torture/execute/builtins/strlen-2.c compilation,  -O3 -g  (internal compiler error)
FAIL: gcc.c-torture/execute/cbrt.c compilation,  -O3 -fomit-frame-pointer  (internal compiler error)
FAIL: gcc.c-torture/execute/cbrt.c compilation,  -O3 -fomit-frame-pointer  (internal compiler error)
FAIL: gcc.c-torture/execute/cbrt.c compilation,  -O3 -g  (internal compiler error)
FAIL: gcc.c-torture/execute/cbrt.c compilation,  -O3 -g  (internal compiler error)
FAIL: gcc.c-torture/execute/pr33870-1.c compilation,  -O3 -fomit-frame-pointer  (internal compiler error)
FAIL: gcc.c-torture/execute/pr33870-1.c compilation,  -O3 -fomit-frame-pointer  (internal compiler error)
FAIL: gcc.c-torture/execute/pr33870-1.c compilation,  -O3 -fomit-frame-pointer -funroll-all-loops -finline-functions  (internal compiler error)
FAIL: gcc.c-torture/execute/pr33870-1.c compilation,  -O3 -fomit-frame-pointer -funroll-all-loops -finline-functions  (internal compiler error)
FAIL: gcc.c-torture/execute/pr33870-1.c compilation,  -O3 -fomit-frame-pointer -funroll-loops  (internal compiler error)
FAIL: gcc.c-torture/execute/pr33870-1.c compilation,  -O3 -fomit-frame-pointer -funroll-loops  (internal compiler error)
FAIL: gcc.c-torture/execute/pr33870-1.c compilation,  -O3 -g  (internal compiler error)
FAIL: gcc.c-torture/execute/pr33870-1.c compilation,  -O3 -g  (internal compiler error)
FAIL: gcc.c-torture/execute/pr33870.c compilation,  -O3 -fomit-frame-pointer  (internal compiler error)
FAIL: gcc.c-torture/execute/pr33870.c compilation,  -O3 -fomit-frame-pointer  (internal compiler error)
FAIL: gcc.c-torture/execute/pr33870.c compilation,  -O3 -fomit-frame-pointer -funroll-all-loops -finline-functions  (internal compiler error)
FAIL: gcc.c-torture/execute/pr33870.c compilation,  -O3 -fomit-frame-pointer -funroll-all-loops -finline-functions  (internal compiler error)
FAIL: gcc.c-torture/execute/pr33870.c compilation,  -O3 -fomit-frame-pointer -funroll-loops  (internal compiler error)
FAIL: gcc.c-torture/execute/pr33870.c compilation,  -O3 -fomit-frame-pointer -funroll-loops  (internal compiler error)
FAIL: gcc.c-torture/execute/pr33870.c compilation,  -O3 -g  (internal compiler error)
FAIL: gcc.c-torture/execute/pr33870.c compilation,  -O3 -g  (internal compiler error)
FAIL: gcc.c-torture/unsorted/bad.c,  -O3 -fomit-frame-pointer   (internal compiler error)
FAIL: gcc.c-torture/unsorted/bad.c,  -O3 -g   (internal compiler error)
FAIL: gcc.dg/graphite/vect-pr43423.c (internal compiler error)
FAIL: gcc.dg/graphite/vect-pr43423.c (internal compiler error)
FAIL: gcc.dg/graphite/vect-pr43423.c (test for excess errors)
FAIL: gcc.dg/graphite/vect-pr43423.c (test for excess errors)
FAIL: gcc.dg/graphite/vect-pr43423.c scan-tree-dump-times vect "vectorized 2 loops" 1: dump file does not exist
FAIL: gcc.dg/graphite/vect-pr43423.c scan-tree-dump-times vect "vectorized 2 loops" 1: dump file does not exist
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/vect/pr43842.c (internal compiler error)
FAIL: gcc.dg/vect/pr43842.c (internal compiler error)
FAIL: gcc.dg/vect/pr43842.c (test for excess errors)
FAIL: gcc.dg/vect/pr43842.c (test for excess errors)
FAIL: gfortran.dg/bounds_check_9.f90  -O3 -fomit-frame-pointer  (internal compiler error)
FAIL: gfortran.dg/bounds_check_9.f90  -O3 -fomit-frame-pointer  (internal compiler error)
FAIL: gfortran.dg/bounds_check_9.f90  -O3 -fomit-frame-pointer  (test for excess errors)
FAIL: gfortran.dg/bounds_check_9.f90  -O3 -fomit-frame-pointer  (test for excess errors)
FAIL: gfortran.dg/bounds_check_9.f90  -O3 -fomit-frame-pointer -funroll-all-loops -finline-functions  (internal compiler error)
FAIL: gfortran.dg/bounds_check_9.f90  -O3 -fomit-frame-pointer -funroll-all-loops -finline-functions  (internal compiler error)
FAIL: gfortran.dg/bounds_check_9.f90  -O3 -fomit-frame-pointer -funroll-all-loops -finline-functions  (test for excess errors)
FAIL: gfortran.dg/bounds_check_9.f90  -O3 -fomit-frame-pointer -funroll-all-loops -finline-functions  (test for excess errors)
FAIL: gfortran.dg/bounds_check_9.f90  -O3 -fomit-frame-pointer -funroll-loops  (internal compiler error)
FAIL: gfortran.dg/bounds_check_9.f90  -O3 -fomit-frame-pointer -funroll-loops  (internal compiler error)
FAIL: gfortran.dg/bounds_check_9.f90  -O3 -fomit-frame-pointer -funroll-loops  (test for excess errors)
FAIL: gfortran.dg/bounds_check_9.f90  -O3 -fomit-frame-pointer -funroll-loops  (test for excess errors)
FAIL: gfortran.dg/bounds_check_9.f90  -O3 -g  (internal compiler error)
FAIL: gfortran.dg/bounds_check_9.f90  -O3 -g  (internal compiler error)
FAIL: gfortran.dg/bounds_check_9.f90  -O3 -g  (test for excess errors)
FAIL: gfortran.dg/bounds_check_9.f90  -O3 -g  (test for excess errors)
FAIL: gfortran.dg/bounds_check_fail_2.f90  -O3 -fomit-frame-pointer  (internal compiler error)
FAIL: gfortran.dg/bounds_check_fail_2.f90  -O3 -fomit-frame-pointer  (internal compiler error)
FAIL: gfortran.dg/bounds_check_fail_2.f90  -O3 -fomit-frame-pointer  (test for excess errors)
FAIL: gfortran.dg/bounds_check_fail_2.f90  -O3 -fomit-frame-pointer  (test for excess errors)
FAIL: gfortran.dg/bounds_check_fail_2.f90  -O3 -fomit-frame-pointer -funroll-all-loops -finline-functions  (internal compiler error)
FAIL: gfortran.dg/bounds_check_fail_2.f90  -O3 -fomit-frame-pointer -funroll-all-loops -finline-functions  (internal compiler error)
FAIL: gfortran.dg/bounds_check_fail_2.f90  -O3 -fomit-frame-pointer -funroll-all-loops -finline-functions  (test for excess errors)
FAIL: gfortran.dg/bounds_check_fail_2.f90  -O3 -fomit-frame-pointer -funroll-all-loops -finline-functions  (test for excess errors)
FAIL: gfortran.dg/bounds_check_fail_2.f90  -O3 -fomit-frame-pointer -funroll-loops  (internal compiler error)
FAIL: gfortran.dg/bounds_check_fail_2.f90  -O3 -fomit-frame-pointer -funroll-loops  (internal compiler error)
FAIL: gfortran.dg/bounds_check_fail_2.f90  -O3 -fomit-frame-pointer -funroll-loops  (test for excess errors)
FAIL: gfortran.dg/bounds_check_fail_2.f90  -O3 -fomit-frame-pointer -funroll-loops  (test for excess errors)
FAIL: gfortran.dg/bounds_check_fail_2.f90  -O3 -g  (internal compiler error)
FAIL: gfortran.dg/bounds_check_fail_2.f90  -O3 -g  (internal compiler error)
FAIL: gfortran.dg/bounds_check_fail_2.f90  -O3 -g  (test for excess errors)
FAIL: gfortran.dg/bounds_check_fail_2.f90  -O3 -g  (test for excess errors)