From 039a6d9f9f940f82b6631eab484d1e4181ff6fc2 Mon Sep 17 00:00:00 2001 From: Sven van Haastregt Date: Wed, 29 Mar 2017 09:08:25 +0000 Subject: [PATCH] [MachineVerifier] Avoid reference to nullptr Instantiation of the MachineVerifierPass through PassInfo::getNormalCtor would yield a segfault since the default constructor of the MachineVerifierPass takes a reference to nullptr. Patch by Simone Pellegrini. Differential Revision: https://reviews.llvm.org/D31387 llvm-svn: 298987 --- llvm/lib/CodeGen/MachineVerifier.cpp | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/llvm/lib/CodeGen/MachineVerifier.cpp b/llvm/lib/CodeGen/MachineVerifier.cpp index 15694cb..5c263b3 100644 --- a/llvm/lib/CodeGen/MachineVerifier.cpp +++ b/llvm/lib/CodeGen/MachineVerifier.cpp @@ -260,8 +260,8 @@ namespace { static char ID; // Pass ID, replacement for typeid const std::string Banner; - MachineVerifierPass(const std::string &banner = nullptr) - : MachineFunctionPass(ID), Banner(banner) { + MachineVerifierPass(const std::string banner = std::string()) + : MachineFunctionPass(ID), Banner(std::move(banner)) { initializeMachineVerifierPassPass(*PassRegistry::getPassRegistry()); } -- 2.7.4