[clang] [clang][SemaOpenACC] Avoid assertion on VLA reduction operand (PR #199178)

[Erich Keane via cfe-commits]

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@@ -2689,6 +2688,14 @@ Expr *GenerateReductionInitRecipeExpr(ASTContext &Context,
         return nullptr;
     }
 
+  } else if (Ty->isArrayType()) {
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erichkeane wrote:

I'd probably just put this as an 'or' in the below condition, plus update the comment, as we actually have full codegen support now.

https://github.com/llvm/llvm-project/pull/199178