http://bugs.gentoo.org/184200

2007-04-25  Eric Blake  <[EMAIL PROTECTED]>

	Fix negative division within eval, regression of 2007-01-06.
	* src/eval.c (mult_term): Fix it.

Index: src/eval.c
===================================================================
RCS file: /cvsroot/m4/m4/src/Attic/eval.c,v
retrieving revision 1.1.1.1.2.9
retrieving revision 1.1.1.1.2.10
diff -u -p -r1.1.1.1.2.9 -r1.1.1.1.2.10
--- src/eval.c	9 Jan 2007 16:12:43 -0000	1.1.1.1.2.9
+++ src/eval.c	25 Apr 2007 14:04:13 -0000	1.1.1.1.2.10
@@ -718,10 +718,10 @@ mult_term (eval_token et, int32_t *v1)
 	  if (v2 == 0)
 	    return DIVIDE_ZERO;
 	  else if (v2 == -1)
-	    /* Avoid the x86 SIGFPE on INT_MIN / -1.  */
+	    /* Avoid overflow, and the x86 SIGFPE on INT_MIN / -1.  */
 	    *v1 = (int32_t) -(uint32_t) *v1;
 	  else
-	    *v1 = (int32_t) ((uint32_t) *v1 / (uint32_t) v2);
+	    *v1 /= v2;
 	  break;
 
 	case MODULO: