Regressions on trunk at revision 202556 vs revision 202521

[H.J. Lu ia32]

New failures:
FAIL: g++.dg/cpp0x/auto3.C -std=c++11  (test for errors, line 24)
FAIL: g++.dg/cpp0x/auto3.C -std=c++11 (test for excess errors)
FAIL: g++.dg/cpp0x/auto9.C  (test for errors, line 115)
FAIL: g++.dg/cpp0x/auto9.C  (test for errors, line 120)
FAIL: g++.dg/cpp0x/auto9.C  (test for errors, line 121)
FAIL: g++.dg/cpp0x/auto9.C  (test for errors, line 82)
FAIL: g++.dg/cpp0x/auto9.C  (test for errors, line 83)
FAIL: g++.dg/cpp0x/auto9.C  (test for errors, line 84)
FAIL: g++.dg/cpp0x/auto9.C  (test for errors, line 85)
FAIL: g++.dg/cpp0x/auto9.C (test for excess errors)
FAIL: g++.dg/cpp0x/lambda/lambda-conv4.C (internal compiler error)
FAIL: g++.dg/cpp0x/lambda/lambda-conv4.C (test for excess errors)
FAIL: g++.dg/cpp0x/lambda/lambda-eh2.C execution test
FAIL: g++.dg/cpp0x/lambda/lambda-nested4.C (internal compiler error)
FAIL: g++.dg/cpp0x/lambda/lambda-nested4.C (test for excess errors)
FAIL: g++.dg/cpp0x/lambda/lambda-template11.C -std=c++11 (internal compiler error)
FAIL: g++.dg/cpp0x/lambda/lambda-template11.C -std=c++11 (test for excess errors)

New passes:
FAIL: g++.dg/torture/pr58380.C  -O0  (test for excess errors)
FAIL: g++.dg/torture/pr58380.C  -O1  (test for excess errors)
FAIL: g++.dg/torture/pr58380.C  -O2  (test for excess errors)
FAIL: g++.dg/torture/pr58380.C  -O2 -flto -fno-use-linker-plugin -flto-partition=none  (test for excess errors)
FAIL: g++.dg/torture/pr58380.C  -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  (test for excess errors)
FAIL: g++.dg/torture/pr58380.C  -O3 -fomit-frame-pointer  (test for excess errors)
FAIL: g++.dg/torture/pr58380.C  -O3 -fomit-frame-pointer -funroll-all-loops -finline-functions  (test for excess errors)
FAIL: g++.dg/torture/pr58380.C  -O3 -fomit-frame-pointer -funroll-loops  (test for excess errors)
FAIL: g++.dg/torture/pr58380.C  -O3 -g  (test for excess errors)
FAIL: g++.dg/torture/pr58380.C  -Os  (test for excess errors)
FAIL: gcc.dg/tree-ssa/phi-opt-1.c scan-tree-dump-times optimized "if" 0