[OPENMP] Fixed capturing of VLA variables.

After some changes in codegen capturing of VLA variables in OpenMP
regions was broken, causing compiler crash. Patch fixes this issue.

llvm-svn: 286098
diff --git a/clang/lib/CodeGen/CGStmtOpenMP.cpp b/clang/lib/CodeGen/CGStmtOpenMP.cpp
index b09d8c8..4dd12ea 100644
--- a/clang/lib/CodeGen/CGStmtOpenMP.cpp
+++ b/clang/lib/CodeGen/CGStmtOpenMP.cpp
@@ -307,7 +307,7 @@
         if (ArgLVal.getType()->isLValueReferenceType()) {
           ArgAddr = EmitLoadOfReference(
               ArgAddr, ArgLVal.getType()->castAs<ReferenceType>());
-        } else {
+        } else if (!VarTy->isVariablyModifiedType() || !VarTy->isPointerType()) {
           assert(ArgLVal.getType()->isPointerType());
           ArgAddr = EmitLoadOfPointer(
               ArgAddr, ArgLVal.getType()->castAs<PointerType>());