2017-11-09  Jerome Lambourg  <lambourg@adacore.com>

	* sigtramp-qnx.c: Fix obvious typo.

2017-11-09  Doug Rupp  <rupp@adacore.com>

	* libgnarl/s-taprop__linux.adb (Monotonic_Clock): Minor reformatting.

2017-11-09  Ed Schonberg  <schonberg@adacore.com>

	* sem_res.adb (Resolve): If expression is an entity whose type has
	implicit dereference, generate reference to it, because no reference is
	generated for an overloaded entity during analysis, given that its
	identity may not be known.

2017-11-09  Javier Miranda  <miranda@adacore.com>

	* exp_disp.adb (Expand_Interface_Thunk): Replace substraction of
	offset-to-top field by addition.
	(Make_Secondary_DT): Initialize the offset-to-top field with a negative
	offset.
	* exp_ch3.adb (Build_Offset_To_Top_Function): Build functions that
	return a negative offset-to-top value.
	(Initialize_Tag): Invoke runtime services Set_Dynamic_Offset_To_Top and
	Set_Static_Offset_To_Top passing a negative offet-to-top value;
	initialize also the offset-to-top field with a negative offset.
	* libgnat/a-tags.adb (Base_Address): Displace the pointer by means of
	an addition since the offset-to-top field is now a negative value.
	(Displace): Displace the pointer to the object means of a substraction
	since it is now a negative value.
	(Set_Dynamic_Offset_to_top): Displace the pointer to the object by
	means of a substraction since it is now a negative value.

2017-11-09  Eric Botcazou  <ebotcazou@adacore.com>

	* gnat1drv.adb (Gnat1drv): Call Errout.Finalize (Last_Call => True)
	before Errout.Output_Messages also in the case of compilation errors.

2017-11-09  Javier Miranda  <miranda@adacore.com>

	* doc/gnat_ugn/the_gnat_compilation_model.rst (Interfacing with C++ at
	the Class Level): Fix error interfacing with C strings.
	* gnat_ugn.texi: Regenerate.

2017-11-09  Jerome Lambourg  <lambourg@adacore.com>

	* system-qnx-aarch64.ads: Fix the priority constants.
	* s-osinte__qnx.ads: Fix constants for handling the locking protocols
	and scheduling.
	* s-osinte__qnx.adb: New file , prevents the use of priority 0 that
	corresponds to an idle priority on QNX.

2017-11-09  Piotr Trojanek  <trojanek@adacore.com>

	* sem_prag.adb, sem_util.adb, sem_elab.adb: Fix minor typos in
	comments.

From-SVN: r254566