# HG changeset patch
# User Bram Moolenaar <bram@vim.org>
# Date 1430763561 -7200
# Node ID 399216850e36de4c7826e2b02a9a0cca10ea54c4
# Parent  0d413bf8e28817bce68c6d8b53b526fae4d0309b
patch 7.4.725
Problem:    ":call setreg('"', [])" reports an internal error.
Solution:   Make the register empty. (Yasuhiro Matsumoto)

diff --git a/src/ops.c b/src/ops.c
--- a/src/ops.c
+++ b/src/ops.c
@@ -6642,6 +6642,14 @@ str_to_reg(y_ptr, yank_type, str, len, b
 	}
     }
 
+    /* Without any lines make the register empty. */
+    if (y_ptr->y_size + newlines == 0)
+    {
+	vim_free(y_ptr->y_array);
+	y_ptr->y_array = NULL;
+	return;
+    }
+
     /*
      * Allocate an array to hold the pointers to the new register lines.
      * If the register was not empty, move the existing lines to the new array.
diff --git a/src/version.c b/src/version.c
--- a/src/version.c
+++ b/src/version.c
@@ -742,6 +742,8 @@ static char *(features[]) =
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    725,
+/**/
     724,
 /**/
     723,