1 files changed, 8 insertions, 4 deletions
diff --git a/llvm/lib/CodeGen/MIRPrinter.cpp b/llvm/lib/CodeGen/MIRPrinter.cpp
index c7dc731..0c8da19 100644
--- a/llvm/lib/CodeGen/MIRPrinter.cpp
+++ b/llvm/lib/CodeGen/MIRPrinter.cpp
@@ -224,10 +224,14 @@ void MIRPrinter::print(const MachineFunction &MF) {
   convert(MST, YamlMF.FrameInfo, MF.getFrameInfo());
   convertStackObjects(YamlMF, MF, MST);
   convertCallSiteObjects(YamlMF, MF, MST);
-  for (auto &Sub : MF.DebugValueSubstitutions)
-    YamlMF.DebugValueSubstitutions.push_back({Sub.first.first, Sub.first.second,
-                                              Sub.second.first,
-                                              Sub.second.second});
+  for (const auto &Sub : MF.DebugValueSubstitutions) {
+    auto &SubSrc = Sub.first;
+    const MachineFunction::DebugSubstitution &SubDest = Sub.second;
+    YamlMF.DebugValueSubstitutions.push_back({SubSrc.first, SubSrc.second,
+                                              SubDest.Dest.first,
+                                              SubDest.Dest.second,
+                                              SubDest.Subreg});
+  }
   if (const auto *ConstantPool = MF.getConstantPool())
     convert(YamlMF, *ConstantPool);
   if (const auto *JumpTableInfo = MF.getJumpTableInfo())