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2008-08-05 Ed Schonberg <schonberg@adacore.com> * sem_ch3.adb (Process_Subtype): An allocator is a valid construct that can carry a null exclusion indicator, and on which an error may be posted if the indicator is redundant. * sem_ch8.adb (Analyze_Object_Renaming): Verify that a null exclusion does not apply to a subtype mark that already excludes null. * sem_ch12.adb (Formal_Object_Declaration): Verify that a null exclusion does not apply to a subtype mark that already excludes null. From-SVN: r138728
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