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

From-SVN: r3473

(HASHFUNCTION): Insure nonnegative hash even if addresses are negative.
From-SVN: r3473
b16f586d · Richard Stallman · 83091176 · b16f586d
Commit b16f586d authored Feb 15, 1993 by Richard Stallman
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gcc/objc/objc-act.c
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--- 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 ()