Regressions on trunk at revision 230382 vs revision 230333

[H.J. Lu ia32 -fpic]

New failures:
FAIL: gcc.c-torture/execute/20020206-1.c   -O0  (internal compiler error)
FAIL: gcc.c-torture/execute/20020206-1.c   -O0  (test for excess errors)
FAIL: gcc.c-torture/execute/20020206-1.c   -O1  (internal compiler error)
FAIL: gcc.c-torture/execute/20020206-1.c   -O1  (test for excess errors)
FAIL: gcc.c-torture/execute/20020206-1.c   -O2  (internal compiler error)
FAIL: gcc.c-torture/execute/20020206-1.c   -O2  (test for excess errors)
FAIL: gcc.c-torture/execute/20020206-1.c   -O2 -flto -fno-use-linker-plugin -flto-partition=none  (internal compiler error)
FAIL: gcc.c-torture/execute/20020206-1.c   -O2 -flto -fno-use-linker-plugin -flto-partition=none  (test for excess errors)
FAIL: gcc.c-torture/execute/20020206-1.c   -O3 -g  (internal compiler error)
FAIL: gcc.c-torture/execute/20020206-1.c   -O3 -g  (test for excess errors)
FAIL: gcc.c-torture/execute/20020206-1.c   -Os  (internal compiler error)
FAIL: gcc.c-torture/execute/20020206-1.c   -Os  (test for excess errors)
FAIL: gcc.dg/tree-ssa/split-path-1.c execution test
FAIL: libgomp.oacc-c++/../libgomp.oacc-c-c++-common/loop-auto-1.c -DACC_DEVICE_TYPE_host=1 -DACC_MEM_SHARED=1 (internal compiler error)
FAIL: libgomp.oacc-c++/../libgomp.oacc-c-c++-common/loop-auto-1.c -DACC_DEVICE_TYPE_host=1 -DACC_MEM_SHARED=1 (test for excess errors)

New passes:
FAIL: libgomp.oacc-c++/../libgomp.oacc-c-c++-common/collapse-2.c -DACC_DEVICE_TYPE_host=1 -DACC_MEM_SHARED=1 (test for excess errors)
FAIL: libgomp.oacc-c/../libgomp.oacc-c-c++-common/collapse-2.c -DACC_DEVICE_TYPE_host=1 -DACC_MEM_SHARED=1 (test for excess errors)