en Copyright 2015 Java http://172.16.0.5:8080/history/llvm-project-15.0.7/llvm/test/CodeGen/SystemZ/pr31710.ll#8f520a73 SDAG: Update ChainNodesMatched during UpdateChains if a node is replacedPreviously, we would hit UB (or the ISD::DELETED_NODE assert) if wehappened to replace a node during UpdateChains, because it would beleft in the list we were iterating over. This nulls out the pointerwhen that happens so that we can avoid the issue.Fixes llvm.org/PR31710llvm-svn: 293522 List of files: /llvm-project-15.0.7/llvm/test/CodeGen/SystemZ/pr31710.ll Mon, 30 Jan 2017 18:29:46 +0000 Justin Bogner <mail@justinbogner.com>