Handle standard libraries that miss out the space when defining the standard
literal operators. Also, for now, allow the proposed C++1y "il", "i", and "if"
suffixes too. (Will revert the latter if LWG decides not to go ahead with that
change after all.)


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@191274 91177308-0d34-0410-b5e6-96231b3b80d8
CGBuiltin.cpp: Prune a stray default: label. [-Wcovered-switch-default]

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@191277 91177308-0d34-0410-b5e6-96231b3b80d8
Implement restriction that a partial specialization must actually specialize
something, for variable templates.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@191278 91177308-0d34-0410-b5e6-96231b3b80d8