[PATCH] D31387: MachineVerifier: avoid reference to nullptr

[Sven van Haastregt via Phabricator via llvm-commits]

This revision was automatically updated to reflect the committed changes.
Closed by commit rL298987: [MachineVerifier] Avoid reference to nullptr (authored by svenvh).

Changed prior to commit:
  https://reviews.llvm.org/D31387?vs=93108&id=93350#toc

Repository:
  rL LLVM

https://reviews.llvm.org/D31387

Files:
  llvm/trunk/lib/CodeGen/MachineVerifier.cpp


Index: llvm/trunk/lib/CodeGen/MachineVerifier.cpp
===================================================================
--- llvm/trunk/lib/CodeGen/MachineVerifier.cpp
+++ llvm/trunk/lib/CodeGen/MachineVerifier.cpp
@@ -260,8 +260,8 @@
     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());
       }
 


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