[clang] [lldb] [llvm] [OpenCL][Clang] Add support for cooperative matrix extension (PR #221328)

[Sven van Haastregt via cfe-commits]

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@@ -5185,7 +5186,8 @@ ExprResult Sema::ActOnArraySubscriptExpr(Scope *S, Expr *base,
   }
 
   // If the base is a matrix type, try to create a new MatrixSubscriptExpr.
-  if (base->getType()->isMatrixType()) {
+  if (base->getType()->isMatrixType() ||
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svenvh wrote:

Do we have tests covering subscript expressions?

https://github.com/llvm/llvm-project/pull/221328