Jason Merrill
a2531859bf
In this testcase, iterative_hash_template_arg checks alias_template_specialization_p to determine whether to treat a type as a dependent alias, and structural_comptypes checks dependent_alias_template_spec_p. Normally that difference isn't a problem because canonicalizing template arguments strips non-dependent aliases, but that wasn't happening for the pack expansion. Fixed thus. gcc/cp/ChangeLog: PR c++/99445 * tree.c (strip_typedefs): Handle TYPE_PACK_EXPANSION. gcc/testsuite/ChangeLog: PR c++/99445 * g++.dg/cpp0x/alias-decl-variadic1.C: New test.
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