From: Paul Eggert <eggert@cs.ucla.edu>
Date: Mon, 15 May 2023 01:51:22 +0000 (-0700)
Subject: Work around GCC bug 109577
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=7166737b5c928c82aedaa4946d6fb9cc50fae336;p=emacs.git

Work around GCC bug 109577

* src/lisp.h (SAFE_ALLOCA_LISP_EXTRA):
Ignore -Wanalyzer-allocation-size, as it generates many
false alarms in GCC 13.
---

diff --git a/src/lisp.h b/src/lisp.h
index 72d2c1a8f91..8f7d44bfb0d 100644
--- a/src/lisp.h
+++ b/src/lisp.h
@@ -5399,6 +5399,14 @@ safe_free_unbind_to (specpdl_ref count, specpdl_ref sa_count, Lisp_Object val)
   return unbind_to (count, val);
 }
 
+/* Work around GCC bug 109577
+   https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109577
+   which causes GCC to mistakenly complain about the
+   memory allocation in SAFE_ALLOCA_LISP_EXTRA.  */
+#if GNUC_PREREQ (13, 0, 0)
+# pragma GCC diagnostic ignored "-Wanalyzer-allocation-size"
+#endif
+
 /* Set BUF to point to an allocated array of NELT Lisp_Objects,
    immediately followed by EXTRA spare bytes.  */