[clang] [clang][bytecode] Add an assertion in initScope() op (PR #189972)

[Shafik Yaghmour via cfe-commits]

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@@ -97,6 +97,7 @@ void InterpFrame::initScope(unsigned Idx) {
     return;
 
   for (auto &Local : Func->getScope(Idx).locals()) {
+    assert(!localBlock(Local.Offset)->isInitialized());
     localBlock(Local.Offset)->invokeCtor();
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shafik wrote:

It looks like `invokeCtor` already asserts `isInitialized`

https://github.com/llvm/llvm-project/pull/189972