* m4/manywarnings.m4 (gl_MANYWARN_ALL_GCC): Stop adding
-Wno-analyzer-double-free, -Wno-analyzer-null-dereference, and
-Wno-analyzer-use-after-free, as these false alarms don’t seem
to be as much of an issue now that we’ve pacified a couple
of individual modules and GCC has some bug fixes.
---
ChangeLog | 7 +++++++
m4/manywarnings.m4 | 12 +++---------
2 files changed, 10 insertions(+), 9 deletions(-)
diff --git a/ChangeLog b/ChangeLog
index d4025b64e..06f139a54 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,12 @@
2021-08-02 Paul Eggert <egg...@cs.ucla.edu>
+ manywarnings: enable some malloc warnings
+ * m4/manywarnings.m4 (gl_MANYWARN_ALL_GCC): Stop adding
+ -Wno-analyzer-double-free, -Wno-analyzer-null-dereference, and
+ -Wno-analyzer-use-after-free, as these false alarms don’t seem
+ to be as much of an issue now that we’ve pacified a couple
+ of individual modules and GCC has some bug fixes.
+
dfa: omit unneeded malloc+free
Problem indirectly found by Coverity.
* lib/dfa.c (enlistnew): New function, with most of the body of
diff --git a/m4/manywarnings.m4 b/m4/manywarnings.m4
index 611484f31..872ea58e6 100644
--- a/m4/manywarnings.m4
+++ b/m4/manywarnings.m4
@@ -1,4 +1,4 @@
-# manywarnings.m4 serial 22
+# manywarnings.m4 serial 23
dnl Copyright (C) 2008-2021 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
@@ -195,15 +195,9 @@ AC_DEFUN([gl_MANYWARN_ALL_GCC(C)],
gl_AS_VAR_APPEND([$1], [' -Wno-uninitialized'])
fi
- # Some warnings have too many false alarms in GCC 10.1.
- # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93695
- gl_AS_VAR_APPEND([$1], [' -Wno-analyzer-double-free'])
- # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101713 (GCC 11.2.1)
+ # This warning have too many false alarms in GCC 11.2.1.
+ # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101713
gl_AS_VAR_APPEND([$1], [' -Wno-analyzer-malloc-leak'])
- # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94851
- gl_AS_VAR_APPEND([$1], [' -Wno-analyzer-null-dereference'])
- # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95758
- gl_AS_VAR_APPEND([$1], [' -Wno-analyzer-use-after-free'])
AC_LANG_POP([C])
])
--
2.31.1
