From: Paul Eggert <eggert@cs.ucla.edu>
Date: Tue, 30 Apr 2024 08:20:13 +0000 (-0700)
Subject: Pacify GCC 14 -Wanalyzer-out-of-bounds in hbfont.c
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=edaf03bc924f5e8d444a419cb452a8c5fd244755;p=emacs.git

Pacify GCC 14 -Wanalyzer-out-of-bounds in hbfont.c

* src/hbfont.c (hbfont_shape): Add an eassume.

(cherry picked from commit c57a03c75e91a42c49a293a9466b087a1e1592da)
---

diff --git a/src/hbfont.c b/src/hbfont.c
index 40bb44c7d04..37ed4132492 100644
--- a/src/hbfont.c
+++ b/src/hbfont.c
@@ -552,6 +552,8 @@ hbfont_shape (Lisp_Object lgstring, Lisp_Object direction)
 	    cluster_offset = to - from;
 	}
 
+      eassume (0 <= from);
+
       /* All the glyphs in a cluster have the same values of FROM and TO.  */
       LGLYPH_SET_FROM (lglyph, from);
       /* This heuristic is for when the Lisp shape-gstring function