[binutils] libctf: Remove undefined functions from ver. map

[Nicholas Vinson <nvinson234@gmail.com>]

The functions ctf_label_set(), ctf_label_get(), ctf_arc_open(), ctf_fdopen(),
ctf_open(), ctf_bfdopen(), and ctf_bfdopen_ctfsect() are not defined. Their
inclusion in libctf/libctf.ver causes clang/llvm LTO optimizatiosn to fail with
error messages similar to

    error: version script assignment of LIBCTF_1.0 to symbol ctf_label_set
    failed: symbol not defined

This patch fixes the issue by removing the symbol names from libctf/libctf.ver

Fixes Gentoo bug 914640 (https://bugs.gentoo.org/914640)

Signed-off-by: Nicholas Vinson <nvinson234@gmail.com>
---
 libctf/libctf.ver | 8 --------
 1 file changed, 8 deletions(-)

diff --git a/libctf/libctf.ver b/libctf/libctf.ver
index 0ff825d033b..08e1b27341f 100644
--- a/libctf/libctf.ver
+++ b/libctf/libctf.ver
@@ -80,9 +80,6 @@ LIBCTF_1.0 {
 	ctf_enum_name;
 	ctf_enum_value;
 
-	ctf_label_set;
-	ctf_label_get;
-
 	ctf_label_topmost;
 	ctf_label_info;
 
@@ -139,7 +136,6 @@ LIBCTF_1.0 {
 
 	ctf_arc_write;
 	ctf_arc_write_fd;
-	ctf_arc_open;
 	ctf_arc_bufopen;
 	ctf_arc_close;
 	ctf_arc_open_by_name;
@@ -165,10 +161,6 @@ LIBCTF_1.0 {
 	ctf_link_shuffle_syms;
 	ctf_link_write;
 
-	ctf_fdopen;                             /* libctf only.  */
-	ctf_open;                               /* libctf only.  */
-	ctf_bfdopen;                            /* libctf only.  */
-	ctf_bfdopen_ctfsect;                    /* libctf only.  */
     local:
 	*;
 };
-- 
2.43.0