FunctionContextSlotIndex  200 src/contexts.cc         int function_index = scope_info->FunctionContextSlotIndex(*name, &mode);
FunctionContextSlotIndex 3491 src/objects.h    int FunctionContextSlotIndex(String* name, VariableMode* mode);
FunctionContextSlotIndex 2159 src/profile-generator.cc       int idx = scope_info->FunctionContextSlotIndex(name, &mode);
FunctionContextSlotIndex  439 src/scopes.cc      int index = scope_info_->FunctionContextSlotIndex(*name, &mode);