Refactoring:
+ Individual Report* method for each bug type
+ Comment improved: missing non-trivial alloca() case annotated
+ 'range' parameter of ReportBadFree() capitalized
+ 'SymbolRef Sym = State->getSVal(A, C.getLocationContext()).getAsSymbol();' shorten to 'SymbolRef Sym = C.getSVal(A).getAsSymbol();'

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176949 91177308-0d34-0410-b5e6-96231b3b80d8