[clang] [libc] [llvm] [lldb] [clang-tools-extra] [lld] [flang] [compiler-rt] [libcxx] [VPlan] Implement cloning of VPlans. (PR #73158)

[via cfe-commits]

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@@ -2694,6 +2852,9 @@ class VPlan {
   /// been modeled in VPlan directly.
   DenseMap<const SCEV *, VPValue *> SCEVToExpansion;
 
+  /// Construct an uninitialized VPlan, should be used for cloning only.
+  explicit VPlan() = default;
+
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ayalz wrote:

Is it really needed? (See above)

https://github.com/llvm/llvm-project/pull/73158