Use Decl's isImplicit field to indicate whether an ObjCInterfaceDecl is 'ImplicitInterfaceDecl',
no need to store it in another field.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@144624 91177308-0d34-0410-b5e6-96231b3b80d8
4 files changed