apparently because using directives aren't quite working correctly.

llvm-svn: 83184

llvm-svn: 82915

llvm-svn: 82912

llvm-svn: 82885

llvm-svn: 82883

llvm-svn: 82882

llvm-svn: 82881

llvm-svn: 82880

llvm-svn: 82879

llvm-svn: 82874

llvm-svn: 82872

llvm-svn: 82871

llvm-svn: 82843

llvm-svn: 82839

llvm-svn: 82833

Type hierarchy.  Demote 'volatile' to extended-qualifier status.  Audit our
use of qualifiers and fix a few places that weren't dealing with qualifiers
quite right;  many more remain.

llvm-svn: 82705

llvm-svn: 82567

llvm-svn: 82557

Several of the existing methods were identical to their respective
specializations, and so have been removed entirely.  Several more 'leaf'
optimizations were introduced.

The getAsFoo() methods which imposed extra conditions, like
getAsObjCInterfacePointerType(), have been left in place.

llvm-svn: 82501

llvm-svn: 82423

llvm-svn: 82265

llvm-svn: 82262

llvm-svn: 82250

llvm-svn: 82247

llvm-svn: 82246

llvm-svn: 82193

llvm-svn: 82189

llvm-svn: 82146

llvm-svn: 82125

llvm-svn: 82123

llvm-svn: 82122

llvm-svn: 82119

llvm-svn: 82116

When mangling function template specialization, mangle the type encoding of the original function template. Also, port mangle.cpp and function-template-specialization.cpp over to using FileCheck.

llvm-svn: 82114

llvm-svn: 82113

llvm-svn: 82102

llvm-svn: 81619

llvm-svn: 81589

llvm-svn: 81346

llvm-svn: 81143