2017-09-08  Yannick Moy  <moy@adacore.com>

	* sem_prag.adb: Use System.Case_Util.To_Lower to simplify code.

2017-09-08  Arnaud Charlet  <charlet@adacore.com>

	* opt.ads (Include_Subprogram_In_Messages): New variable.
	* errout.ads (Current_Subprogram_Ptr): New variable.
	* errout.adb (Error_Msg): Prepend current subprogram info
	in messages if Include_Subprogram_In_Messages is set.
	* sem_util.adb (elab code): Initialize Current_Subprogram_Ptr to
	Current_Subprogram.
	* gnat1drv.adb (Adjust_Global_Switches): Set
	Include_Subprogram_In_Messages when -gnatdJ is set.
	* debug.adb: Document and reserve -gnatdJ.

2017-09-08  Georges-Axel Jaloyan  <jaloyan@adacore.com>

	* g-dynhta.adb, g-dynhta.ads (Get_First_Key, Get_Next_Key): New
	functions to iterate over simple hastables.
	(Load_Factor_HTable): Remove obsolete and inefficient implementation.

2017-09-08  Javier Miranda  <miranda@adacore.com>

	* exp_ch6.adb (Unqual_BIP_Function_Call): Adding
	missing checks on the presence of Entity() before checking the
	entity attributes.

2017-09-08  Eric Botcazou  <ebotcazou@adacore.com>

	* sem_ch6.adb (Analyze_Expression_Function): Reorder some
	statements, use local variable and remove unnecessary processing.

From-SVN: r251880