Fix boostrap failure in tree-ssa-loop-ch.cc

[thirdparty/gcc.git] / contrib / filter-clang-warnings.py

diff --git a/contrib/filter-clang-warnings.py b/contrib/filter-clang-warnings.py
index 345d015baf661c2613d8a9213fdebe3d925a6d9f..4a89fbdc7816e5e0d8687bfc31022bf23aebb215 100755 (executable)
--- a/contrib/filter-clang-warnings.py
+++ b/contrib/filter-clang-warnings.py
@@ -1,4 +1,6 @@
 #!/usr/bin/env python3
+
+# Copyright (C) 2018-2023 Free Software Foundation, Inc.
 #
 # Script to analyze warnings produced by clang.
 #
@@ -38,23 +40,27 @@ def skip_warning(filename, message):
                  'when in C++ mode, this behavior is deprecated',
                  '-Wignored-attributes', '-Wgnu-zero-variadic-macro-arguments',
                  '-Wformat-security', '-Wundefined-internal',
-                 '-Wunknown-warning-option', '-Wc++20-extensions'],
-            'insn-modes.c': ['-Wshift-count-overflow'],
-            'insn-emit.c': ['-Wtautological-compare'],
-            'insn-attrtab.c': ['-Wparentheses-equality'],
-            'gimple-match.c': ['-Wunused-', '-Wtautological-compare'],
-            'generic-match.c': ['-Wunused-', '-Wtautological-compare'],
+                 '-Wunknown-warning-option', '-Wc++20-extensions',
+                 '-Wbitwise-instead-of-logical', 'egrep is obsolescent'],
+            'insn-modes.cc': ['-Wshift-count-overflow'],
+            'insn-emit.cc': ['-Wtautological-compare'],
+            'insn-attrtab.cc': ['-Wparentheses-equality'],
+            'gimple-match.cc': ['-Wunused-', '-Wtautological-compare'],
+            'generic-match.cc': ['-Wunused-', '-Wtautological-compare'],
             'i386.md': ['-Wparentheses-equality', '-Wtautological-compare',
                         '-Wtautological-overlap-compare'],
-            'sse.md': ['-Wparentheses-equality', '-Wtautological-compare'],
+            'sse.md': ['-Wparentheses-equality', '-Wtautological-compare',
+                       '-Wconstant-logical-operand'],
             'mmx.md': ['-Wtautological-compare'],
-            'genautomata.c': ['-Wstring-plus-int'],
+            'genautomata.cc': ['-Wstring-plus-int'],
+            'fold-const-call.cc': ['-Wreturn-type'],
             'gfortran.texi': [''],
-            'libtool': ['']
+            'libtool': [''],
+            'lex.cc': ['-Wc++20-attribute-extensions'],
     }
 
-    for name, ignores in ignores.items():
-        for i in ignores:
+    for name, ignore in ignores.items():
+        for i in ignore:
             if name in filename and i in message:
                 return True
     return False
@@ -65,18 +71,19 @@ 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 = []
+messages = set()
 for line in lines:
     token = ': warning: '
     i = line.find(token)
     if i != -1:
         location = line[:i]
         message = line[i + len(token):]
+        if '/libffi/' in location or location.startswith('Makefile'):
+            continue
         if not skip_warning(location, message):
-            total += 1
-            messages.append(line)
+            messages.add(line)
 
 for line in sorted(messages):
     print(line)
-print('\nTotal warnings: %d' % total)
+
+print('\nTotal warnings: %d' % len(messages))