[Refactoring] cleanup code in Parameter::isLazyArray()
fix Issue 13508 - array vararg function safety not inferred
Remove unused UTFTest.cpp
Merge pull request #4018 from ibuclaw/rmutftest

Remove unused UTFTest.cpp
Merge pull request #4015 from 9rnsr/fix13508

Issue 13508 - array vararg function safety not inferred