Bug 202069

Running clang-tidy on WTF and JavaScriptCore resulted in these potential performance improvements to prevent object copies or reference churn in for loop variables: Source/WTF/wtf/AggregateLogger.h:107:19: warning: loop variable is copied but only used as const reference; consider making it a const reference [performance-for-range-copy] for (auto logger : m_loggers) { ^ const & -- Source/JavaScriptCore/parser/Parser.h:333:23: warning: loop variable is copied but only used as const reference; consider making it a const reference [performance-for-range-copy] for (auto entry : m_lexicalVariables) { ^ const & -- Source/JavaScriptCore/./inspector/remote/cocoa/RemoteInspectorCocoa.mm:242:15: warning: loop variable is copied but only used as const reference; consider making it a const reference [performance-for-range-copy] for (auto targetConnection : m_targetConnectionMap.values()) ^ const & -- Source/JavaScriptCore/./inspector/remote/cocoa/RemoteInspectorCocoa.mm:350:15: warning: loop variable is copied but only used as const reference; consider making it a const reference [performance-for-range-copy] for (auto targetConnection : m_targetConnectionMap.values()) ^ const & -- Source/JavaScriptCore/./inspector/remote/cocoa/RemoteInspectorCocoa.mm:440:34: warning: loop variable is copied but only used as const reference; consider making it a const reference [performance-for-range-copy] for (RetainPtr<NSDictionary> listing : m_targetListingMap.values()) { ^ const & -- Source/JavaScriptCore/./bytecode/CodeBlock.cpp:884:19: warning: loop variable is copied but only used as const reference; consider making it a const reference [performance-for-range-copy] for (auto setEntry : set) { ^ const & -- Source/JavaScriptCore/./bytecompiler/BytecodeGenerator.cpp:2316:19: warning: loop variable is copied but only used as const reference; consider making it a const reference [performance-for-range-copy] for (auto pair : activationValuesToCopyOver) { ^ const & -- Source/JavaScriptCore/./dfg/DFGGraph.cpp:549:19: warning: loop variable is copied but only used as const reference; consider making it a const reference [performance-for-range-copy] for (auto pair : m_rootToArguments) ^ const & -- Source/JavaScriptCore/./inspector/agents/InspectorAgent.cpp:123:15: warning: loop variable is copied but only used as const reference; consider making it a const reference [performance-for-range-copy] for (auto domainName : extraDomains) ^ const & -- Source/JavaScriptCore/./runtime/ProxyObject.cpp:1059:19: warning: loop variable is copied but only used as const reference; consider making it a const reference [performance-for-range-copy] for (auto propertyName : trapResult) { ^ const & -- Source/JavaScriptCore/./runtime/ProxyObject.cpp:1070:19: warning: loop variable is copied but only used as const reference; consider making it a const reference [performance-for-range-copy] for (auto propertyName : trapResult) ^ const & -- Source/JavaScriptCore/./runtime/SamplingProfiler.cpp:1016:23: warning: loop variable is copied but only used as const reference; consider making it a const reference [performance-for-range-copy] for (auto profile : *profilesToReport) ^ const & -- Source/JavaScriptCore/./runtime/SamplingProfiler.cpp:1069:19: warning: loop variable is copied but only used as const reference; consider making it a const reference [performance-for-range-copy] for (auto entry : functionCounts) { ^ const & -- Source/JavaScriptCore/./runtime/SamplingProfiler.cpp:1149:19: warning: loop variable is copied but only used as const reference; consider making it a const reference [performance-for-range-copy] for (auto entry : bytecodeCounts) { ^ const & -- Source/JavaScriptCore/./runtime/TypeSet.cpp:500:19: warning: loop variable is copied but only used as const reference; consider making it a const reference [performance-for-range-copy] for (auto field : currentShape->m_fields) ^ const & -- Source/JavaScriptCore/./runtime/TypeSet.cpp:502:19: warning: loop variable is copied but only used as const reference; consider making it a const reference [performance-for-range-copy] for (auto field : currentShape->m_optionalFields) ^ const & -- Source/JavaScriptCore/./runtime/TypeSet.cpp:541:15: warning: loop variable is copied but only used as const reference; consider making it a const reference [performance-for-range-copy] for (auto field : a->m_fields) { ^ const & -- Source/JavaScriptCore/./runtime/TypeSet.cpp:548:15: warning: loop variable is copied but only used as const reference; consider making it a const reference [performance-for-range-copy] for (auto field : b->m_fields) { ^ const & -- Source/JavaScriptCore/./runtime/TypeSet.cpp:555:15: warning: loop variable is copied but only used as const reference; consider making it a const reference [performance-for-range-copy] for (auto field : a->m_optionalFields) ^ const & -- Source/JavaScriptCore/./runtime/TypeSet.cpp:557:15: warning: loop variable is copied but only used as const reference; consider making it a const reference [performance-for-range-copy] for (auto field : b->m_optionalFields) ^ const &