MustAllocate     1190 src/scopes.cc    if (MustAllocate(arguments) && !HasArgumentsParameter()) {
MustAllocate     1222 src/scopes.cc      if (MustAllocate(var)) {
MustAllocate     1243 src/scopes.cc    if (var->IsUnallocated() && MustAllocate(var)) {
MustAllocate      570 src/scopes.h     bool MustAllocate(Variable* var);