Patch committed: Don't confuse -fdump-go-spec with tag/var name

[Ian Lance Taylor]

In C you can have a struct tag and a variable with the same name.  The
-fdump-go-spec option dumps a struct tag as a type name, but Go does not
permit a type and a variable to have the same name.  This patch avoids
the most common case of this problem by not emitting a variable if it
has already seen a type with the same name.  Bootstrapped and ran Go
testsuite on x86_64-unknown-linux-gnu.  Committed to mainline.

Ian


2011-01-11  Ian Lance Taylor  <iant@google.com>

	* godump.c (go_output_var): Don't output the variable if there is
	already a type with the same name.


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