[clang] [CIR] Upstream global initialization for ArrayType (PR #131657)

[Amr Hesham via cfe-commits]

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@@ -45,6 +45,41 @@ class CIRGenBuilderTy : public cir::CIRBaseBuilderTy {
     return false;
   }
 
+  // Return true if this is the null value
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AmrDeveloper wrote:

That's right, I updated the comment to describe the implemented cases

https://github.com/llvm/llvm-project/pull/131657