From d59f97bb3a652565ac074e76da2b6b54816880f3 Mon Sep 17 00:00:00 2001
From: Roman Lebedev <lebedev.ri@gmail.com>
Date: Fri, 8 Jan 2021 01:08:23 +0300
Subject: [PATCH] [SimplifyCFG] removeUnwindEdge(): switch to non-permissive
 DomTree updates

No actual changes needed, Catchswitch cannot unwind to one of its catchpads.
---
 llvm/lib/Transforms/Utils/Local.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/llvm/lib/Transforms/Utils/Local.cpp b/llvm/lib/Transforms/Utils/Local.cpp
index 9f8cec9..1c81be8 100644
--- a/llvm/lib/Transforms/Utils/Local.cpp
+++ b/llvm/lib/Transforms/Utils/Local.cpp
@@ -2347,7 +2347,7 @@ void llvm::removeUnwindEdge(BasicBlock *BB, DomTreeUpdater *DTU) {
   TI->replaceAllUsesWith(NewTI);
   TI->eraseFromParent();
   if (DTU)
-    DTU->applyUpdatesPermissive({{DominatorTree::Delete, BB, UnwindDest}});
+    DTU->applyUpdates({{DominatorTree::Delete, BB, UnwindDest}});
 }
 
 /// removeUnreachableBlocks - Remove blocks that are not reachable, even
-- 
2.7.4