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2007-08-14 Thomas Quinot <quinot@adacore.com> Ed Schonberg <schonberg@adacore.com> * sem_cat.ads, sem_cat.adb (Has_Stream_Attribute_Definition): New formal At_Any_Place indicating, when True, that we want to test for availability of the stream attribute at any place (as opposed to the current visibility context only). (Missing_Read_Write_Attributes): A stream attribute is missing for the purpose of enforcing E.2.2(8) only if it is not available at any place. Take into account the Ada2005 pragma Has_Preelaborable_Initialization when checking the legality of an extension aggregate in a preelaborable package. Treat the literal null as a valid default expression in a component declaration for a type with preelaborable initialization. A limited interface is a legal progenitor for the designated type of a remote access to class-wide type. From-SVN: r127445
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