2010-10-07 Robert Dewar <dewar@adacore.com>

2010-10-07  Robert Dewar  <dewar@adacore.com>

	* sem_ch13.adb (Analyze_Attribute_Definition_Clause, case
	Component_Size): It is now illegal to give an incorrect component size
	clause in the case of aliased or atomic components.
	* sem_prag.adb (Analyze_Pragma, case Pack): It is now illegal to give
	an effective pragma Pack in the case of aliased or atomic components.

2010-10-07  Steve Baird  <baird@adacore.com>

	* exp_ch4.adb (Expand_N_Allocator): Do not bypass expansion
	in the case of a violation of an active No_Task_Hierarchy restriction.

2010-10-07  Ed Schonberg  <schonberg@adacore.com>

	* sem_ch12.adb (Validate_Derived_Type_Instance): If a formal derived
	type is non-limited, an actual for it cannot be limited.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@165105 138bc75d-0d04-0410-961f-82ee72b054a4