2008-10-14 Douglas Gregor <doug.gregor@gmail.com>
PR c++/37553
* tree.c (build_type_attribute_qual_variant): Hash on the
unqualified type, and don't overwrite an existing
(type_hash_eq): Make the TYPE_NAME of the types significant, to
allow distinguishing between wchar_t and its underlying type. This
also means that we'll retain a little more typedef information.
2008-10-14 Douglas Gregor <doug.gregor@gmail.com>
PR c++/37553
* g++.dg/ext/alias-canon2.C: New.
From-SVN: r141111
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