patch 8.0.0266: compiler warning for using uninitialized variable commit https://github.com/vim/vim/commit/c625155ea42da2d7cefd853837f18115713b439c Author: Bram Moolenaar <Bram@vim.org> Date: Sun Jan 29 21:42:20 2017 +0100 patch 8.0.0266: compiler warning for using uninitialized variable Problem: Compiler warning for using uninitialized variable. Solution: Set tab_number also when there is an error.

--- a/src/ex_docmd.c
+++ b/src/ex_docmd.c
@@ -7533,7 +7533,10 @@ get_tabpage_arg(exarg_T *eap)
     else if (eap->addr_count > 0)
     {
 	if (unaccept_arg0 && eap->line2 == 0)
+	{
 	    eap->errmsg = e_invrange;
+	    tab_number = 0;
+	}
 	else
 	{
 	    tab_number = eap->line2;