From: Richard Stallman <rms@gnu.org>
Date: Mon, 15 Feb 1993 07:18:09 +0000 (+0000)
Subject: (HASHFUNCTION): Insure nonnegative hash even if addresses are negative.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=b16f586d98c6b045fa9cef1f2285061120d27c62;p=gcc.git

(HASHFUNCTION): Insure nonnegative hash even if addresses are negative.

From-SVN: r3473
---

diff --git a/gcc/objc/objc-act.c b/gcc/objc/objc-act.c
index 908b10d28ef..6429dfc4c77 100644
--- a/gcc/objc/objc-act.c
+++ b/gcc/objc/objc-act.c
@@ -2973,7 +2973,7 @@ build_ivar_reference (id)
 #define HASH_ALLOC_LIST_SIZE	170
 #define ATTR_ALLOC_LIST_SIZE	170
 #define SIZEHASHTABLE 		257
-#define HASHFUNCTION(key)	((int)key >> 2) 	/* divide by 4 */
+#define HASHFUNCTION(key)	((int)key & 0x7fffffff)	/* make positive */
 
 static void
 hash_init ()