Fix for PR21915: assert on multidimensional VLA in function arguments.
Fixed assertion on type checking for arguments and parameters on function call if arguments are pointers to VLA
Differential Revision: http://reviews.llvm.org/D6655


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@224504 91177308-0d34-0410-b5e6-96231b3b80d8