[PATCH] [dwarfdump] Resolve also variable specifications/abstract_origins.

[Alexey Samsonov]

Cool, that looks much cleaner now. Feel free to submit this, and get rid of getSubroutineName() afterwards. It seems to only be used in two places DWARFContext methods. We may just call getName() there and assert that we're in fact calling it on subroutine DIE. Thanks!

================
Comment at: lib/DebugInfo/DWARFDebugInfoEntry.h:130
@@ +129,3 @@
+
+  /// Return the DIE name resolving DW_AT_sepcifiaction or
+  /// DW_AT_abstract_origin references if necessary.
----------------
typo: s/sepcifiaction/specification

http://reviews.llvm.org/D5625