commit e535ce250143b9c1600b306911710c0de73e2a5e
Author: Szabolcs Nagy <szabolcs.nagy@arm.com>
Date:   Thu Feb 11 17:17:38 2016 +0000

    [ARM] add missing -funwind-tables to test case (bug 19529)
    
    stdlib/tst-makecontext test failed on arm because it used backtrace
    without -funwind-tables.

diff --git a/stdlib/Makefile b/stdlib/Makefile
index e406856..26fe67a 100644
--- a/stdlib/Makefile
+++ b/stdlib/Makefile
@@ -112,6 +112,7 @@ CFLAGS-strfmon_l.c = $(libio-mtsafe)
 
 CFLAGS-tst-bsearch.c = $(stack-align-test-flags)
 CFLAGS-tst-qsort.c = $(stack-align-test-flags)
+CFLAGS-tst-makecontext.c += -funwind-tables
 CFLAGS-tst-makecontext2.c = $(stack-align-test-flags)
 
 # Run a test on the header files we use.