2018-09-14 Bernd Edlinger msebor@redhat.com>

        revert:
        2018-07-30  Bernd Edlinger  <bernd.edlinger@hotmail.de>

        * tree-ssa-forwprop.c (simplify_builtin_call): Don't create a not NUL
        terminated string literal.

From-SVN: r264332

gcc/ChangeLog

+2018-09-14  Bernd Edlinger msebor@redhat.com>
+
+	revert:
+	2018-07-30  Bernd Edlinger  <bernd.edlinger@hotmail.de>
+
+	* tree-ssa-forwprop.c (simplify_builtin_call): Don't create a not NUL
+	terminated string literal.
+
 2018-09-14  Martin Sebor  <msebor@redhat.com>
 
 	* builtins.c (unterminated_array): Handle ARRAY_REF.

gcc/tree-ssa-forwprop.c

@@ -1391,7 +1391,7 @@ simplify_builtin_call (gimple_stmt_iterator *gsi_p, tree callee2)
 				    src_buf, ptr1_align, false))
 	    break;
 
-	  new_str_cst = build_string_literal (src_len + 1, src_buf);
+	  new_str_cst = build_string_literal (src_len, src_buf);
 	  if (callee1)
 	    {
 	      /* If STMT1 is a mem{,p}cpy call, adjust it and remove