diff --git a/bolt/lib/Rewrite/DWARFRewriter.cpp b/bolt/lib/Rewrite/DWARFRewriter.cpp
--- a/bolt/lib/Rewrite/DWARFRewriter.cpp
+++ b/bolt/lib/Rewrite/DWARFRewriter.cpp
@@ -1435,6 +1435,8 @@
                             {dwarf::DW_AT_dwo_name, dwarf::DW_AT_GNU_dwo_name}),
                         "");
     const char *Name = CU->getUnitDIE().getShortName();
+
+    // Super duper important change 1.
     if (Name)
       CurEntry.Name = Name;
     StringRef CurStrSection;