2014-02-25  Eric Botcazou  <ebotcazou@adacore.com>

	* sigtramp-armvxw.c: Also restore r0.

2014-02-25  Robert Dewar  <dewar@adacore.com>

	* errout.adb (Error_Msg_Internal): Warning_Msg_Char set
	unconditionally (Set_Msg_Insertion_Warning): Warning_Msg_Char
	set unconditionally.
	* erroutc.adb (Get_Warning_Tag): Does not give a leading space
	any more (Output_Msg_Text): Rewritten with new convention on
	output of warnings that are treated as errors.
	* erroutc.ads (Error_Msg_Object): Warn_Chr is always set even
	if Warn is False.
	* gnat_rm.texi: Updates to documentation on pragma
	Warning_As_Error.
	* warnsw.adb (Set_Dot_Warning_Switch): -gnatw.e should not
	set Warning_Doc_Switch.
	* lib-writ.ads: Add documentation note on ALI file generation
	for C.
	* exp_ch6.adb (Expand_Call): Remove check for No_Abort_Statements
	(belongs in Sem).
	* sem_attr.adb (Resolve_Attribute, case Access):
	Abort_Task'Access violates the No_Abort_Statements restriction.
	* sem_res.adb (Resolve_Call): Check restriction
	No_Abort_Statements for call to Abort_Task or a renaming of it.

From-SVN: r208146