re PR c++/50732 ([type_traits] is_base_of<Base, Derived> unnecessarily…
re PR c++/50732 ([type_traits] is_base_of<Base, Derived> unnecessarily instantiates Base (which shouldn't be instantiated)) /cp 2011-10-15 Paolo Carlini <paolo.carlini@oracle.com> PR c++/50732 * semantics.c (finish_trait_expr): Do not try to instantiate the the base type of an __is_base_of trait. (check_trait_type): Return a tree; use complete_type_or_else. /testsuite 2011-10-15 Paolo Carlini <paolo.carlini@oracle.com> PR c++/50732 * g++.dg/ext/is_base_of_incomplete.C: New. * g++.dg/ext/is_base_of_diagnostic.C: Adjust dg-errors. * g++.dg/ext/unary_trait_incomplete.C: Likewise. From-SVN: r180048
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