[multiple changes]

2011-08-02  Jerome Guitton  <guitton@adacore.com>

	* a-except-2005.adb (Raise_From_Signal_Handler): Call
	Debug_Raise_Exception before propagation starts.

2011-08-02  Eric Botcazou  <ebotcazou@adacore.com>

	* exp_ch6.adb (Expand_Call): Guard restriction checks with a call
	to Restriction_Check_Required.
	* sem_ch3.adb (Analyze_Object_Declaration): Likewise.
	* sem_res.adb (Resolve_Call): Likewise.
	* sem_attr.adb (Check_Stream_Attribute): Likewise.

2011-08-02  Bob Duff  <duff@adacore.com>

	* stylesw.ads: Update comment.
	* style.adb: Minor: Use Error_Msg_NE instead of Error_Msg_N.
	* errout.ads: Remove obsolete comment.

2011-08-02  Javier Miranda  <miranda@adacore.com>

	* einfo.ads, einfo.adb (Is_Safe_To_Reevaluate): new function.
	(Set_Is_Safe_To_Reevaluate): new procedure.
	* sem_ch5.adb (Analyze_Assignment): Add one assertion to ensure that no
	assignment is allowed on safe-to-reevaluate variables.
	(Analyze_Iteration_Schine.Process_Bounds.One_Bound): Decorate the
	temporary created to remove side effects in expressions that use
	the secondary stack as safe-to-reevaluate.
	* exp_util.adb (Side_Effect_Free): Add missing code to handle well
	variables that are not true constants.

From-SVN: r177129