Use ASTContext::isObjCObjectPointerType() to check if an ivar is a reference to an Objective-C object.

llvm-svn: 53999

This fixes PR 2592: http://llvm.org/bugs/show_bug.cgi?id=2592

llvm-svn: 53987

llvm-svn: 53647

Refactored error reporting in CheckObjCDealloc and CheckObjCInstMethSignature to use this new bug reporting interface (major code simplification).

llvm-svn: 53560

llvm-svn: 53473

This patch aims to address some of the concerns of PR 2517: http://llvm.org/bugs/show_bug.cgi?id=2517

llvm-svn: 53168

llvm-svn: 53100

For the -dealloc checker, check the LangOptions to determine whether or not the code is compiled with GC.

llvm-svn: 53098

Added static analysis check to see if a subclass of NSObject implements -dealloc, and whether or not that implementation calls [super dealloc].

llvm-svn: 53075