2011-08-29  Tristan Gingold  <gingold@adacore.com>

	* s-excdeb.ads, s-excdeb.adb: New files, created from s-except.
	* rtsfind.ads (RTU_Id): Replaces System_Exceptions by
	System_Exceptions_Debug
	(RE_Unit_Table): Search RE_Local_Raise in System_Exceptions_Debug
	* a-except.adb: With and use System.Exceptions_Debug instead of
	System.Exceptions.
	* a-except-2005.adb: Likewise.
	* s-assert.adb: Likewise.
	* s-except.adb, s-except.ads: Move debugging hooks to s-excdeb.
	* Makefile.rtl: Add s-excdeb.  Adjust compilation rule.
	* gcc-interfaces/Makefile.in, gcc-interface/Make-lang.in: Add
	s-excdeb. Update dependencies.
	(GNATRTL_LINEARALGEBRA_OBJS): Remove a-nlrear.o a-nurear.o a-nllrar.o
	as these no longer need external libraries.

2011-08-29  Ed Schonberg  <schonberg@adacore.com>

	* sem_res.adb (Resolve_Op_Expon): Additional check to reject an
	exponentiation operator on universal values in a context that requires
	a fixed-point type.

2011-08-29  Tristan Gingold  <gingold@adacore.com>

	* raise-gcc.c (personnality_routine): Fix thinko.  Set Ada occurrence
	before calling notify_handled_exception.
	* a-exextr.adb: Fix comment.

From-SVN: r178221