remove unnecessary test in CharTypeOf
indentation and spacing
Merge pull request #1591 from monarchdodra/CharTypeOf

Remove unnecessary test in CharTypeOf
adjust to changes in druntime by https://github.com/D-Programming-Language/druntime/pull/611
temporarily disable demangle unittest
Merge pull request #1592 from rainers/demangle_local

fix issues 10277 & 6045:improve demangling for function local symbols