[cfe-commits] [PATCH] Add const overload for ObjCInterfaceDecl::all_declared_ivar_begin

[Jordy Rose]

Currently clients of ObjCInterfaceDecl::all_declared_ivar_begin have to const_cast the Decl to mutable, since the ivar chain is generated lazily. This patch adds a const overload (which just calls the non-const version), then goes and strips out all the const_casts. There's a slight constification fallout as well but nothing major.

Don't think this'll be controversial, but hoping for a quick review to check that I didn't do anything stupid.

Jordy

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