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/charset.c
+++ b/src/charset.c
@@ -1296,6 +1296,10 @@ getvcol(
 	posptr = NULL;  /* continue until the NUL */
     else
     {
+	/* Special check for an empty line, which can happen on exit, when
+	 * ml_get_buf() always returns an empty string. */
+	if (*ptr == NUL)
+	    pos->col = 0;
 	posptr = ptr + pos->col;
 #ifdef FEAT_MBYTE
 	if (has_mbyte)