gold patch committed: Don't create DT_FLAGS if not needed

[Ian Lance Taylor]

Originally gold would always create a DT_FLAGS entry, so that it was
possible for a tool to set flags for an existing executable without
great difficulty.  However, now that gold supports --spare-dynamic-tags,
this is no longer necessary.  This patch removes it.  Committed to
mainline.

Ian


2011-06-18  Ian Lance Taylor  <iant@google.com>

	* layout.cc (Layout::finish_dynamic_section): Don't create
	DT_FLAGS entry if not needed.


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