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2010-10-07 Robert Dewar <dewar@adacore.com> * par-ch3.adb, par-ch6.adb, par-ch7.adb, par-ch9.adb, par-ch10.adb: Add Pexp to Pf_Rec constants (P_Subprogram): Expression is always enclosed in parentheses * par.adb (Pf_Rec): add Pexp flag for parametrized expression * sinfo.ads (N_Parametrized_Expression): Expression must be in parens 2010-10-07 Ed Schonberg <schonberg@adacore.com> * sem_ch6.adb (Analyze_Subprogram_Specification): Implement Ada2012 checks on functions that return an abstract type or have a controlling result whose designated type is an abstract type. (Check_Private_Overriding): Implement Ada2012 checks on functions declared in the private part, if an abstract type is involved. * sem_ch12.adb (Analyze_Generic_Subprogram_Declaration): In Ada2012, reject a generic function that returns an abstract type. * exp_ch5.adb (Expand_Simple_Function_Return): in Ada2012, if a function has a controlling access result, check that the tag of the return value matches the designated type of the return expression. From-SVN: r165100
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