+2017-04-27 Hristian Kirtchev <kirtchev@adacore.com>
+
+ * sem_ch8.adb (Find_Direct_Name): Account for the case where
+ a use-visible entity is defined within a nested scope of an
+ instance when giving priority to entities which were visible in
+ the original generic.
+ * sem_util.ads, sem_util.adb (Nearest_Enclosing_Instance): New routine.
+
+2017-04-27 Tristan Gingold <gingold@adacore.com>
+
+ * raise-gcc.c: Don't use unwind.h while compiling
+ for the frontend, but mimic host behavior.
+
+2017-04-27 Javier Miranda <miranda@adacore.com>
+
+ * sem_ch3.adb (Build_Discriminated_Subtype):
+ Propagate Has_Pragma_Unreferenced_Objects to the built subtype.
+
+2017-04-27 Hristian Kirtchev <kirtchev@adacore.com>
+
+ * sem_prag.adb (Analyze_Global_Item):
+ Do not consider discriminants because they are not "entire
+ objects". Remove the discriminant-related checks because they are
+ obsolete.
+ (Analyze_Input_Output): Do not consider discriminants
+ because they are not "entire objects".
+
+2017-04-27 Ed Schonberg <schonberg@adacore.com>
+
+ * sem_ch13.adb (Check_Aspect_At_End_Of_Declarations): Do not
+ perform check if the current scope does not come from source,
+ as is the case for a rewritten task body, because check has
+ been performed already, and may not be doable because of changed
+ visibility.
+