commit 3a67c72c1512f778304a5644dea2fcf5bdece274

Author: Andreas Schwab <schwab@suse.de>

Date:   Thu Sep 27 12:37:06 2018 +0200

    Fix stack overflow in tst-setcontext9 (bug 23717)

    The function f1a, executed on a stack of size 32k, allocates an object of

    size 32k on the stack.  Make the stack variables static to reduce

    excessive stack usage.

    (cherry picked from commit f841c97e515a1673485a2b12b3c280073d737890)

diff --git a/stdlib/tst-setcontext9.c b/stdlib/tst-setcontext9.c

index db8355766ca7b906..009928235dd5987e 100644

--- a/stdlib/tst-setcontext9.c

+++ b/stdlib/tst-setcontext9.c

@@ -58,7 +58,7 @@ f1b (void)

 static void

 f1a (void)

 {

-  char st2[32768];

+  static char st2[32768];

   puts ("start f1a");

   if (getcontext (&ctx[2]) != 0)

     {

@@ -93,7 +93,7 @@ f1a (void)

 static int

 do_test (void)

 {

-  char st1[32768];

+  static char st1[32768];

   puts ("making contexts");

   if (getcontext (&ctx[0]) != 0)

     {