Regressions on trunk at revision 272148 vs revision 272141

[H.J. Lu (x32)]

New failures:

New passes:
FAIL: g++.dg/concepts/template-parm12.C  -std=gnu++17 (internal compiler error)
FAIL: g++.dg/concepts/template-parm12.C  -std=gnu++17 (test for excess errors)
FAIL: g++.dg/cpp0x/pr54323.C  -std=c++14 (internal compiler error)
FAIL: g++.dg/cpp0x/pr54323.C  -std=c++14 (test for excess errors)
FAIL: g++.dg/cpp0x/udlit-template.C  -std=c++14 (internal compiler error)
FAIL: g++.dg/cpp0x/udlit-template.C  -std=c++14 (test for excess errors)
FAIL: g++.dg/cpp0x/udlit-template.C  -std=c++17 (internal compiler error)
FAIL: g++.dg/cpp0x/udlit-template.C  -std=c++17 (test for excess errors)
FAIL: g++.dg/cpp0x/variadic-crash5.C  -std=c++14 (internal compiler error)
FAIL: g++.dg/cpp0x/variadic-crash5.C  -std=c++14 (test for excess errors)
FAIL: g++.dg/cpp0x/vt-34753.C  -std=c++14 (internal compiler error)
FAIL: g++.dg/cpp0x/vt-34753.C  -std=c++14 (test for excess errors)
FAIL: g++.dg/cpp0x/vt-34753.C  -std=c++17 (internal compiler error)
FAIL: g++.dg/cpp0x/vt-34753.C  -std=c++17 (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/template/ttp23.C  -std=c++14 (internal compiler error)
FAIL: g++.dg/template/ttp23.C  -std=c++14 (test for excess errors)
FAIL: g++.dg/template/ttp23.C  -std=c++17 (internal compiler error)
FAIL: g++.dg/template/ttp23.C  -std=c++17 (test for excess errors)
FAIL: g++.dg/template/ttp23.C  -std=c++98 (internal compiler error)
FAIL: g++.dg/template/ttp23.C  -std=c++98 (test for excess errors)
FAIL: g++.dg/template/ttp28.C  -std=c++14 (internal compiler error)
FAIL: g++.dg/template/ttp28.C  -std=c++14 (test for excess errors)
FAIL: g++.dg/template/ttp28.C  -std=c++17 (internal compiler error)
FAIL: g++.dg/template/ttp28.C  -std=c++17 (test for excess errors)
FAIL: g++.dg/template/ttp28.C  -std=c++98 (internal compiler error)
FAIL: g++.dg/template/ttp28.C  -std=c++98 (test for excess errors)
FAIL: g++.dg/tm/pr46646.C  -std=gnu++14 (internal compiler error)
FAIL: g++.dg/tm/pr46646.C  -std=gnu++14 (test for excess errors)
FAIL: g++.dg/tree-ssa/pr46228.C  -std=gnu++98 (internal compiler error)
FAIL: g++.dg/tree-ssa/pr46228.C  -std=gnu++98 (test for excess errors)