X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/02d7cce6e21c97f4245f333eaab7e76b38fe373a..e9ad4aeca53f9e96dd72821c96d25e3ee2a3a2e8:/ChangeLog

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+2006-01-18  Paul Eggert  <eggert@cs.ucla.edu>
+
+	Avoid undefined behavior that accessed just before the start of an
+	array.  Problem reported by twlevo.
+	* src/reader.c (packgram): Prepend a new sentinel before ritem.
+	* src/lalr.c (build_relations): Rely on new sentinel.
+	* src/gram.c (gram_free): Adjust to new sentinel.
+
 2006-01-12  Joel E. Denny  <jdenny@ces.clemson.edu>
 
 	* data/glr.c (yyGLRStateSet): Rename yylookaheadStatuses to