[binutils-gdb] Fix test-cp-name-parser build, unused variable

[Pedro Alves <palves at sourceware dot org>]

https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=3276427003bd1fc676d1cb913c4d09a9f7b1c74f

commit 3276427003bd1fc676d1cb913c4d09a9f7b1c74f
Author: Pedro Alves <palves@redhat.com>
Date:   Tue Mar 12 16:56:02 2019 +0000

    Fix test-cp-name-parser build, unused variable
    
      $ make test-cp-name-parser
      ...
      CXX    test-cp-name-parser.o
      src/gdb/cp-name-parser.y: In function â??int gdb::main(int, char**)â??:
      src/gdb/cp-name-parser.y:2137:6: error: unused variable â??lenâ?? [-Werror=unused-variable]
        int len;
    	^~~
      cc1plus: all warnings being treated as errors
    
    gdb/ChangeLog:
    2019-03-12  Pedro Alves  <palves@redhat.com>
    
    	* cp-name-parser.y (main): Remove unused 'len' variable.

Diff:
---
 gdb/ChangeLog        | 4 ++++
 gdb/cp-name-parser.y | 1 -
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index e6903f2..44aa9a3 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,7 @@
+2019-03-12  Pedro Alves  <palves@redhat.com>
+
+	* cp-name-parser.y (main): Remove unused 'len' variable.
+
 2019-03-12  Tom Tromey  <tromey@adacore.com>
 
 	* common/ptid.c (null_ptid, minus_one_ptid): Now const.
diff --git a/gdb/cp-name-parser.y b/gdb/cp-name-parser.y
index 284b1ff..ec17210 100644
--- a/gdb/cp-name-parser.y
+++ b/gdb/cp-name-parser.y
@@ -2129,7 +2129,6 @@ main (int argc, char **argv)
   if (argv[arg] == NULL)
     while (fgets (buf, 65536, stdin) != NULL)
       {
-	int len;
 	buf[strlen (buf) - 1] = 0;
 	/* Use DMGL_VERBOSE to get expanded standard substitutions.  */
 	c = trim_chars (buf, &extra_chars);