289 void MangleContext::mangleBlock(const DeclContext *DC, const BlockDecl *BD,  in mangleBlock()  argument
291   assert(!isa<CXXConstructorDecl>(DC) && !isa<CXXDestructorDecl>(DC));  in mangleBlock()
295   if (const ObjCMethodDecl *Method = dyn_cast<ObjCMethodDecl>(DC)) {  in mangleBlock()
298     assert((isa<NamedDecl>(DC) || isa<BlockDecl>(DC)) &&  in mangleBlock()
300     if (isa<BlockDecl>(DC))  in mangleBlock()
301       for (; DC && isa<BlockDecl>(DC); DC = DC->getParent())  in mangleBlock()
302         (void) getBlockId(cast<BlockDecl>(DC), true);  in mangleBlock()
303     assert((isa<TranslationUnitDecl>(DC) || isa<NamedDecl>(DC)) &&  in mangleBlock()
305     if (const auto *CD = dyn_cast<CXXConstructorDecl>(DC))  in mangleBlock()
307     else if (const auto *DD = dyn_cast<CXXDestructorDecl>(DC))  in mangleBlock()
309     else if (auto ND = dyn_cast<NamedDecl>(DC)) {  in mangleBlock()