Regressions on trunk at revision 272141 vs revision 272105

[H.J. Lu (x32)]

New failures:
FAIL: g++.dg/asan/asan_test.C   -O2  (internal compiler error)
FAIL: g++.dg/asan/asan_test.C   -O2  (test for excess errors)
FAIL: g++.dg/cpp0x/variadic98.C  -std=c++14 (internal compiler error)
FAIL: g++.dg/cpp0x/variadic98.C  -std=c++14 (test for excess errors)
FAIL: g++.dg/template/show-template-tree-3.C  -std=gnu++98  expected multiline pattern lines 27-28 not found: "\s*vector<.*\n    \[double != float\]>.*\n"
FAIL: g++.dg/template/show-template-tree-3.C  -std=gnu++98  expected multiline pattern lines 33-36 not found: "  map<.*\n    \[\.\.\.\],.*\n    vector<.*\n      \[double != float\]>>.*\n"
FAIL: g++.dg/template/show-template-tree-3.C  -std=gnu++98 (internal compiler error)
FAIL: g++.dg/template/show-template-tree-3.C  -std=gnu++98  (test for errors, line 25)
FAIL: g++.dg/template/show-template-tree-3.C  -std=gnu++98  (test for errors, line 31)
FAIL: g++.dg/template/show-template-tree-3.C  -std=gnu++98 (test for excess errors)
FAIL: g++.dg/tm/pr46646.C  -std=gnu++17 (internal compiler error)
FAIL: g++.dg/tm/pr46646.C  -std=gnu++17 (test for excess errors)
FAIL: g++.old-deja/g++.robertl/eb109.C  -std=c++98 (internal compiler error)
FAIL: g++.old-deja/g++.robertl/eb109.C  -std=c++98  (test for errors, line 45)
FAIL: g++.old-deja/g++.robertl/eb109.C  -std=c++98  (test for errors, line 47)
FAIL: g++.old-deja/g++.robertl/eb109.C  -std=c++98  (test for errors, line 51)
FAIL: g++.old-deja/g++.robertl/eb109.C  -std=c++98  (test for errors, line 52)
FAIL: g++.old-deja/g++.robertl/eb109.C  -std=c++98  (test for errors, line 56)
FAIL: g++.old-deja/g++.robertl/eb109.C  -std=c++98  (test for errors, line 68)
FAIL: g++.old-deja/g++.robertl/eb109.C  -std=c++98 (test for excess errors)
FAIL: g++.old-deja/g++.robertl/eb109.C  -std=c++98  (test for warnings, line 22)

New passes:
FAIL: g++.dg/cpp0x/noexcept15.C  -std=c++14 (test for excess errors)
FAIL: g++.dg/cpp0x/variadic98.C  -std=c++17 (internal compiler error)
FAIL: g++.dg/cpp0x/variadic98.C  -std=c++17 (test for excess errors)
FAIL: g++.dg/cpp1y/feat-cxx14.C   (test for excess errors)
FAIL: g++.dg/cpp1z/feat-cxx1z.C  -std=gnu++17 (test for excess errors)
FAIL: g++.dg/cpp1z/pr85569.C  -std=c++17 (test for excess errors)
FAIL: g++.dg/cpp2a/feat-cxx2a.C   (test for excess errors)
FAIL: g++.dg/other/pr40561.C  -std=c++98 (internal compiler error)
FAIL: g++.dg/other/pr40561.C  -std=c++98 (test for excess errors)
FAIL: g++.dg/tree-ssa/pr69336.C   (test for excess errors)
FAIL: g++.dg/tree-ssa/pr80293.C   (test for excess errors)
FAIL: g++.old-deja/g++.other/inline8.C  -std=gnu++98 (internal compiler error)
FAIL: g++.old-deja/g++.other/inline8.C  -std=gnu++98 (test for excess errors)