c++/6611: [PATCH] Non-weak emission of `std::__default_alloc_template[...]' on platform(s) where it should be weak

[Jason Merrill]

We clear DECL_EXTERNAL when we start to define a function.  In this case
when we were supposed to clear it again, it was already referenced, so
DECL_NEEDED_P was true, so we ended up emitting it even though
import_export_decl tried to suppress it.

Yet another ugly tweak to the C++ linkage morass.  I'll get back to work on
the rewrite RSN.

Tested i686-pc-linux-gnu, applied to trunk.  I'll come up with a testcase
soon, but I want to get this in now so it stops interfering with libstdc++
work.

2002-05-18  Jason Merrill  <jason@redhat.com>

	* decl2.c (import_export_decl): If we clear
	DECL_NOT_REALLY_EXTERN, make sure DECL_EXTERNAL is set.

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