[PATCH] include/dwarf2.h: Sync with binutils

[H.J. Lu via Gcc-patches]

DW_CIE_VERSION is unused by GCC and has been removed from binutils by

commit 66f8b2cbbb675ccbcae56e2bdb6dae485878ec00
Author: Andrew Burgess <andrew.burg...@embecosm.com>
Date:   Mon Nov 4 12:27:45 2019 +0000

    gas: Add --gdwarf-cie-version command line flag

        * dwarf2.h (DW_CIE_VERSION): Delete.
---
 include/dwarf2.h | 1 -
 1 file changed, 1 deletion(-)

diff --git a/include/dwarf2.h b/include/dwarf2.h
index 0b6facfd4cf..882453dce08 100644
--- a/include/dwarf2.h
+++ b/include/dwarf2.h
@@ -316,7 +316,6 @@ enum dwarf_location_list_entry_type
 
 #define DW_CIE_ID        0xffffffff
 #define DW64_CIE_ID      0xffffffffffffffffULL
-#define DW_CIE_VERSION   1
 
 #define DW_CFA_extended   0
 
-- 
2.25.1