Add debug fission support.

src/common/mac/dump_syms.cc

Index: src/common/mac/dump_syms.cc
diff --git a/src/common/mac/dump_syms.cc b/src/common/mac/dump_syms.cc
index 97c3e06e8e560336e88879bc57f8c98dbf9fde0e..b20a055868230920a6bcb5374f6ca2f1964be008 100644
--- a/src/common/mac/dump_syms.cc
+++ b/src/common/mac/dump_syms.cc
@@ -437,7 +437,8 @@ bool DumpSymbols::ReadDwarf(google_breakpad::Module *module,
     // Make a Dwarf2Handler that drives our DIEHandler.
     dwarf2reader::DIEDispatcher die_dispatcher(&root_handler);
     // Make a DWARF parser for the compilation unit at OFFSET.
-    dwarf2reader::CompilationUnit dwarf_reader(file_context.section_map(),
+    dwarf2reader::CompilationUnit dwarf_reader(selected_object_name_,
+                                               file_context.section_map(),
                                                offset,
                                                &byte_reader,
                                                &die_dispatcher);