add a new Sema::CurFunctionNeedsScopeChecking bool that is used to avoid 
calling into the jump checker when a function or method is known to contain
no VLAs or @try blocks.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@69509 91177308-0d34-0410-b5e6-96231b3b80d8
5 files changed