Rafael Espindola 9e7ded9509 Use pointers to iterate over symbols.
While here, don't report a dummy symbol for relocations that don't have symbols.
We used to says such relocations were for the first defined symbol, but now we
return end_symbols(). The llvm-readobj output change agrees with otool.

llvm-svn: 180214
2013-04-24 19:47:55 +00:00
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