[clang] [clang][CodeGen] Emit file-scope compound literals in a constant context (PR #221390)

[Akash Manna via cfe-commits]

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@@ -22210,6 +22210,52 @@ bool Expr::EvaluateAsInitializer(const ASTContext &Ctx, const VarDecl *VD,
          CheckMemoryLeaks(Info);
 }
 
+bool Expr::EvaluateAsConstantInitializer(EvalResult &Result,
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akash-manna-sky wrote:

Done. The separate function is removed; a new `ConstantExprKind::Initializer` makes `EvaluateAsConstantExpr` fold through undefined behavior like `isConstantInitializer` did, and the bytecode `Context::evaluate` now uses its `Kind` to keep the initialized object alive.

https://github.com/llvm/llvm-project/pull/221390