[llvm] [VPlan] Hook IR blocks into VPlan during skeleton creation (NFC) (PR #114292)

[Florian Hahn via llvm-commits]

================
@@ -170,9 +170,8 @@ VPBasicBlock *VPBlockBase::getEntryBasicBlock() {
 }
 
 void VPBlockBase::setPlan(VPlan *ParentPlan) {
-  assert(
-      (ParentPlan->getEntry() == this || ParentPlan->getPreheader() == this) &&
-      "Can only set plan on its entry or preheader block.");
+  assert(ParentPlan->getEntry() == this &&
+         "Can only set plan on its entry or preheader block.");
----------------
fhahn wrote:

Updated, thanks!

https://github.com/llvm/llvm-project/pull/114292