diff --git a/llvm/lib/CodeGen/BranchFolding.cpp b/llvm/lib/CodeGen/BranchFolding.cpp
--- a/llvm/lib/CodeGen/BranchFolding.cpp
+++ b/llvm/lib/CodeGen/BranchFolding.cpp
@@ -1086,6 +1086,10 @@
       if (PBB->hasEHPadSuccessor())
         continue;
 
+      // Skip landing pads, can't tail merge these.
+      if (PBB->isEHPad())
+        continue;
+
       // After block placement, only consider predecessors that belong to the
       // same loop as IBB.  The reason is the same as above when skipping loop
       // header.