2007-04-20 Robert Dewar <dewar@adacore.com>

	    Ed Schonberg  <schonberg@adacore.com>

	* sem_ch5.adb
	(Find_Var): Do not consider function call in test for infinite loop
	warning if warnings set off for function entity.
	(One_Bound): Do not create a temporary for a loop bound if it is a
	character literal.
	(Analyze_Assignment): Traverse the right hand side of an assignment and
	mark all allocators as static coextensions.
	(Analyze_Assignment): Exempt assignments involving a dispatching call
	to a function with a controlling access result from the check requiring
	the target to be class-wide.

From-SVN: r125450