[BOLT] Test workflow 2. Summary: Testing workflow Test Plan:

bolt/lib/Rewrite/DWARFRewriter.cpp

for (const std::unique_ptr<DWARFUnit> &CU : BC.DwCtx->compile_units()) {
     UnitIndexEntry CurEntry = {};
     CurEntry.DWOName =
         dwarf::toString(CU->getUnitDIE().find(
                             {dwarf::DW_AT_dwo_name, dwarf::DW_AT_GNU_dwo_name}),
                         "");
     const char *Name = CU->getUnitDIE().getShortName();
 
     // Super duper important change 1.
+    // Super duper important change 2.
     if (Name)
       CurEntry.Name = Name;
     StringRef CurStrSection;
     StringRef CurStrOffsetSection;
 
     // This maps each section contained in this file to its length.
     // This information is later on used to calculate the contributions,
     // i.e. offset and length, of each compile/type unit to a section.