While it is similar to the other compatibility predicates in ASTContext,
it is not used by them and is different.

In addition, greatly simplify ObjCQualifiedIdTypesAreCompatible and
fix some canonical type bugs.  Also, simplify my Type::getAsObjC* methods.

llvm-svn: 49313

an O(n) algorithm by taking advantage of the fact that the
protocol qualifier list is already guaranteed sorted.

llvm-svn: 49312

llvm-svn: 49311

sema.  This allows clients of the parser to have the unmolested 
list if desired, and guarantees that noone can create an
ObjCQualifiedInterfaceType with an unsorted list.

llvm-svn: 49310

llvm-svn: 49309

ObjCQualifiedIdType/ObjCQualifiedInterfaceType, adding an interator 
interface instead.

llvm-svn: 49308

and start simplifying it.

llvm-svn: 49307

ObjCInterfaceType as a method.

llvm-svn: 49306

a static function named isCompatibleInterfaceAssign.

llvm-svn: 49305

llvm-svn: 49302

there are QualType::getAsObjc* type methods, and make isa<ObjCInterfaceType>
return true for ObjCQualifiedInterfaceType's.

llvm-svn: 49300

llvm-svn: 49298

getFloatingTypeOrder) instead of a type.  Fix a fixme.

llvm-svn: 49297

llvm-svn: 49296

llvm-svn: 49295

llvm-svn: 49294

While I'm at it, clean up a bit of maxIntegerType.

llvm-svn: 49292

step towards fixing PR2189.

llvm-svn: 49291

the tests in parallel.

llvm-svn: 49290

llvm-svn: 49289

when assertions are disabled.

llvm-svn: 49288

some cases.

llvm-svn: 49287

llvm-svn: 49286

llvm-svn: 49279

llvm-svn: 49273

normal typed argument lists.

llvm-svn: 49272

llvm-svn: 49271

llvm-svn: 49270

llvm-svn: 49269

their own method.

llvm-svn: 49268

llvm-svn: 49267

llvm-svn: 49266

handles function argument parens in declarators.

llvm-svn: 49265

llvm-svn: 49264

Since it is rare, the cost is not significant and we enjoy the 
simplification.

llvm-svn: 49263

llvm-svn: 49262

-Renamed ContextDecl -> DeclContext
-Removed DeclContext pointer from FieldDecl
-EnumDecl inherits from DeclContext, instead of TagDecl

Patch by Argiris Kirtzidis!

llvm-svn: 49261

llvm-svn: 49260

Patch by Cédric Venet!

llvm-svn: 49259

llvm-svn: 49258