[gcc r13-4823] contrib: simplify filter-clang-warnings.py

[gcc r13-4823] contrib: simplify filter-clang-warnings.py

[Martin Liska]

https://gcc.gnu.org/g:af49fd41abcb0bcbdf7db39ef6b87df2a79b0e45

commit r13-4823-gaf49fd41abcb0bcbdf7db39ef6b87df2a79b0e45
Author: Martin Liska <mliska@suse.cz>
Date:   Wed Dec 21 09:10:07 2022 +0100

    contrib: simplify filter-clang-warnings.py
    
    contrib/ChangeLog:
    
            * filter-clang-warnings.py: Simplify.

Diff:
---
 contrib/filter-clang-warnings.py | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/contrib/filter-clang-warnings.py b/contrib/filter-clang-warnings.py
index 56dce5af368..06410cf2444 100755
--- a/contrib/filter-clang-warnings.py
+++ b/contrib/filter-clang-warnings.py
@@ -71,7 +71,6 @@ parser.add_argument('log', help='Log file with clang warnings')
 args = parser.parse_args()
 
 lines = [line.strip() for line in open(args.log)]
-total = 0
 messages = set()
 for line in lines:
     token = ': warning: '
@@ -82,9 +81,9 @@ for line in lines:
         if '/libffi/' in location or location.startswith('Makefile'):
             continue
         if not skip_warning(location, message):
-            total += 1
             messages.add(line)
 
 for line in sorted(messages):
     print(line)
-print('\nTotal warnings: %d' % total)
+
+print('\nTotal warnings: %d' % len(messages))