[clang] [CIR] Refactor global variable emission and initialization (PR #138222)

[Morris Hafner via cfe-commits]

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@@ -31,6 +31,15 @@ class ConstantEmitter {
 private:
   bool abstract = false;
 
+  /// Whether non-abstract components of the emitter have been initialized.
+  bool initializedNonAbstract = false;
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mmha wrote:

Is this just for sanity checking? Should this be wrapped in a `#ifndef NDEBUG`?

Same for `finalized` and `failed`.

https://github.com/llvm/llvm-project/pull/138222