[PATCH] gas: Add --gdwarf-cie-version command line flag

[Nick Clifton]

Hi Andrew,

> gas/ChangeLog:
> 
> 	* as.c (parse_args): Parse --gdwarf-cie-version option.
> 	(flag_dwarf_cie_version): New variable.
> 	* as.h (flag_dwarf_cie_version): Declare.
> 	* dw2gencfi.c (output_cie): Switch from DW_CIE_VERSION to
> 	flag_dwarf_cie_version.
> 	* doc/as.texi (Overview): Document --gdwarf-cie-version.
> 	* NEWS: Likewise.
> 	* testsuite/gas/cfi/cfi.exp: Add new tests.
> 	* testsuite/gas/cfi/cie-version-0.d: New file.
> 	* testsuite/gas/cfi/cie-version-1.d: New file.
> 	* testsuite/gas/cfi/cie-version-2.d: New file.
> 	* testsuite/gas/cfi/cie-version-3.d: New file.
> 	* testsuite/gas/cfi/cie-version-4.d: New file.
> 	* testsuite/gas/cfi/cie-version.s: New file.
> 
> include/ChangeLog:
> 
> 	* dwarf2.h (DW_CIE_VERSION): Delete.
> 
 
Approved - please apply - and thanks! :-)

Cheers
  Nick