kIsFunction      2087 src/ast.h        bool is_function() { return IsFunction::decode(bitfield_) == kIsFunction; }
kIsFunction      2963 src/ast.h          if (is_function == FunctionLiteral::kIsFunction) {
kIsFunction      3997 src/objects-inl.h BOOL_ACCESSORS(SharedFunctionInfo, compiler_hints, is_function, kIsFunction)
kIsFunction      4705 src/parser.cc                                      FunctionLiteral::kIsFunction);