Patch for dwarf2 EH on ARM

[Nick Clifton]

Hi Jason,

: 2000-03-28  Jason Merrill  <jason@casey.cygnus.com>
: 
: 	* config/arm/arm.md (return peepholes): Update to reflect the new
: 	call insn patterns.
: 	* config/arm/arm.c (arm_volatile_func): Also check
: 	current_function_nothrow.
: 	(output_return_instruction, output_func_prologue): Use it.
: 	(arm_output_epilogue, arm_expand_prologue): Likewise.

Approved.

Cheers
	Nick