re PR bootstrap/88089 (build failure with GCC 4.9 on SPARC/Solaris)

2018-11-20  Richard Biener  <rguenther@suse.de>

	PR middle-end/88089
	* tree-data-ref.c (lambda_matrix_right_hermite): Use abs_hwi.

From-SVN: r266300

gcc/ChangeLog

+2018-11-20  Richard Biener  <rguenther@suse.de>
+
+	PR middle-end/88089
+	* tree-data-ref.c (lambda_matrix_right_hermite): Use abs_hwi.
+
 2018-11-19  Jan Hubicka  <hubicka@ucw.cz>
 
 	PR lto/87957

gcc/tree-data-ref.c

@@ -3546,8 +3546,8 @@ lambda_matrix_right_hermite (lambda_matrix A, int m, int n,
 		  a = S[i-1][j];
 		  b = S[i][j];
 		  sigma = (a * b < 0) ? -1: 1;
-		  a = abs (a);
-		  b = abs (b);
+		  a = abs_hwi (a);
+		  b = abs_hwi (b);
 		  factor = sigma * (a / b);
 
 		  lambda_matrix_row_add (S, n, i, i-1, -factor);