gold patch committed: Simply override version of special symbol

[Ian Lance Taylor]

For a linker-defined symbol such as "_end", it is possible for a version
script to force the use of a specific version in a shared library.  It
is then possible for some other shared library to use a different
version script to force a different version.  This would cause gold to
fail an assertion when it saw a symbol with two different default
versions.  This patch fixes the problem by simply permitting this sort
of overridding.  Committed to mainline.

Ian


2011-07-05  Ian Lance Taylor  <iant@google.com>

	PR gold/12952
	* resolve.cc (Symbol::override_base_with_special): Simply override
	version with special symbol version, ignoring previous version.


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