* einfo.adb (Write_Field19_Name): Body_Entity is also defined for
a generic package.
* einfo.ads: Body_Entity is also defined for generic package.
Documentation change only
* exp_aggr.adb (Build_Array_Aggr_Code): When expanding an
others_choice for a discriminated component initialization,
convert discriminant references into the corresponding discriminals.
* exp_ch3.adb (Get_Simple_Init_Val): Add qualification to aggregate
only if original type is private and expression has to be wrapped
in a conversion.
* checks.adb:
(Apply_Constraint_Check): Do not perform length check
if expression is an aggregate with only an others_choice.
(Length_N_Cond): two references to the same in_parameter
(typically the discriminal in an init_proc) denote the same value.
Two useful optimization uncovered by bugfixes above.
From-SVN: r46165
