2012-02-22 Ed Schonberg <schonberg@adacore.com>

2012-02-22  Ed Schonberg  <schonberg@adacore.com>

	* freeze.adb (Freeze_Entity): Do not perform type layout within
	a generic unit.

2012-02-22  Eric Botcazou  <ebotcazou@adacore.com>

	* init.c (__gnat_error_handler) [Linux]: Map SIGBUS to
	Storage_Error.

2012-02-22  Ed Schonberg  <schonberg@adacore.com>

	* exp_ch5.adb (Expand_N_Assignment_Statement): Reject an
	assignment to a classwide type whose type is limited, as
	can happen in an instantiation in programs that run afoul or
	AI05-0087.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@184471 138bc75d-0d04-0410-961f-82ee72b054a4