[dragonegg PATCH] If a decl we are building already exists as an alias, just use it

[Peter Collingbourne]

Hi,

Attached patch does the following:
 If a decl we are building already exists as an alias, just
 use it. This will happen if the decl is multiply declared using __asm__
 clauses, one of those declarations is an alias definition and we first refer
 to one of the other declarations after the aliasee is defined.

OK to commit?

Thanks,
-- 
Peter
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