2017-11-16  Ed Schonberg  <schonberg@adacore.com>

	* sem_ch3.adb (Process_Subtype): If the subtype indication does not
	syntactically denote a type, return Any_Type to prevent subsequent
	compiler crashes or infinite loops.

2017-11-16  Steve Baird  <baird@adacore.com>

	* lib-writ.adb: Fix bug which causes Program_Error to be raised in some
	cases when writing out a .ali file when a Rename_Pragma pragma is in
	effect.
	* lib-writ.adb (Write_Unit_Information): Replace call to
	Pragma_Name_Unmapped with call to Pragma_Name.

2017-11-16  Gary Dismukes  <dismukes@adacore.com>

	* sem_elab.adb: Minor typo fixes.

2017-11-16  Justin Squirek  <squirek@adacore.com>

	* sem_res.adb (Resolve_Allocator): Correct warning messages and make
	them more explicit.

From-SVN: r254803