[clang] [CIR] Introduce LocalInitOp, & lower static locals (PR #193576)

[Henrich Lauko via cfe-commits]

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@@ -1265,6 +1287,29 @@ void LoweringPreparePass::handleStaticLocal(cir::GlobalOp globalOp,
   builder.getInsertionBlock()->push_back(ret);
 }
 
+void LoweringPreparePass::lowerLocalInitOp(cir::LocalInitOp initOp) {
+  if (!initOp.getStaticLocal()) {
+    initOp->emitError("NYI: Non-static-local in lower-init-local op");
+    initOp.erase();
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xlauko wrote:

Why is erase here, when it is NYI?

https://github.com/llvm/llvm-project/pull/193576