patch 8.0.0307: asan detects a memory error when EXITFREE is defined commit https://github.com/vim/vim/commit/955f198fc546cc30a34361932d3f454a61df0efa Author: Bram Moolenaar <Bram@vim.org> Date: Sun Feb 5 15:10:51 2017 +0100 patch 8.0.0307: asan detects a memory error when EXITFREE is defined Problem: Asan detects a memory error when EXITFREE is defined. (Dominique Pelle) Solution: In getvcol() check for ml_get_buf() returning an empty string. Also skip adjusting the scroll position. Set "exiting" in mch_exit() for all systems.

--- a/src/window.c
+++ b/src/window.c
@@ -5708,7 +5708,10 @@ win_new_height(win_T *wp, int height)
     wp->w_height = height;
     wp->w_skipcol = 0;
 
-    scroll_to_fraction(wp, prev_height);
+    /* There is no point in adjusting the scroll position when exiting.  Some
+     * values might be invalid. */
+    if (!exiting)
+	scroll_to_fraction(wp, prev_height);
 }
 
     void