gold patch committed: Don't check discarded deferred .eh_frame section

[Ian Lance Taylor]

The code that handles deferred .eh_frame sections when using a plugin
had a bug: it checked whether the section was included in the link
before doing the .eh_frame handling.  Unfortunately, the check for an
included section always indicates that a .eh_frame section is not
included, because .eh_frame sections are handled specially.  This led to
http://gcc.gnu.org/PR56840 , in which .eh_frame sections in archives are
discarded inappropriately.

This patch fixes the problem.  Committed to mainline.

Ian


2013-04-04  Ian Lance Taylor  <iant@google.com>

	GCC PR c++/56840
	* object.cc (do_layout_deferred_sections): Handle .eh_frame
	sections before checking whether they are included in the link.


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