# HG changeset patch
# User Bram Moolenaar <Bram@vim.org>
# Date 1542056406 -3600
# Node ID 588a5fafbb61fc795bcf49a0ebcdf77e2a5fc550
# Parent  5abda25c040f47eef80f0c9f63551110f640fc26
patch 8.1.0526: running out of signal stack in RealWaitForChar

commit https://github.com/vim/vim/commit/61fb8d8c6719205c686550e591db22aa97b4db4c
Author: Bram Moolenaar <Bram@vim.org>
Date:   Mon Nov 12 21:45:08 2018 +0100

    patch 8.1.0526: running out of signal stack in RealWaitForChar

    Problem:    Running out of signal stack in RealWaitForChar. (Vladimir Marek)
    Solution:   Make the fd_set variables static.

diff --git a/src/os_unix.c b/src/os_unix.c
--- a/src/os_unix.c
+++ b/src/os_unix.c
@@ -6194,7 +6194,9 @@ RealWaitForChar(int fd, long msec, int *
 
 	struct timeval  tv;
 	struct timeval	*tvp;
-	fd_set		rfds, wfds, efds;
+	// These are static because they can take 8 Kbyte each and cause the
+	// signal stack to run out with -O3.
+	static fd_set	rfds, wfds, efds;
 	int		maxfd;
 	long		towait = msec;
 
diff --git a/src/version.c b/src/version.c
--- a/src/version.c
+++ b/src/version.c
@@ -793,6 +793,8 @@ static char *(features[]) =
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    526,
+/**/
     525,
 /**/
     524,