Properly handle instantiation-dependent array bounds.

We previously failed to treat an array with an instantiation-dependent
but not value-dependent bound as being an instantiation-dependent type.
We now track the array bound expression as part of a constant array type
if it's an instantiation-dependent expression.

llvm-svn: 373685
diff --git a/clang/lib/Sema/SemaOpenMP.cpp b/clang/lib/Sema/SemaOpenMP.cpp
index 2b659f7..7ec5ba3 100644
--- a/clang/lib/Sema/SemaOpenMP.cpp
+++ b/clang/lib/Sema/SemaOpenMP.cpp
@@ -13015,8 +13015,9 @@
       // If we don't have a single element, we must emit a constant array type.
       if (ConstantLengthOASE && !SingleElement) {
         for (llvm::APSInt &Size : ArraySizes)
-          PrivateTy = Context.getConstantArrayType(
-              PrivateTy, Size, ArrayType::Normal, /*IndexTypeQuals=*/0);
+          PrivateTy = Context.getConstantArrayType(PrivateTy, Size, nullptr,
+                                                   ArrayType::Normal,
+                                                   /*IndexTypeQuals=*/0);
       }
     }