2 Commits

Author	SHA1	Message	Date
Douglas Gregor	2ed0ee1ace	Eliminate the -chained-pch flag and all of the frontend and libclang options associated with it. Chained PCH is the only way to build a PCH file that includes another PCH file ... llvm-svn: 138597	2011-08-25 22:54:01 +00:00
Sebastian Redl	e7c1fe6ab7	Instead of modifying the ObjC AST to not modify existing declarations, teach chained PCH to overwrite declarations from earlier PCH files in dependent ones. Tell Sema to note when it changes AST nodes so that they have to be reserialized. Finally, the ObjCProtocolDecls created in forward decls, like the ObjCInterfaceDecls in @class forward decls, are not lexically part of the decl context; only the definition is. ... llvm-svn: 110989	2010-08-13 00:28:03 +00:00