commit 4f2bcda964d4fff56855e0c66198c9bcb682ea1e

 Author: Will Newton <will.newton@linaro.org>

 Date:   Thu Aug 29 20:10:26 2013 +0100

     ARM: Fix clone code when built for Thumb.

     The mov lr, pc instruction will lose the Thumb bit from the return address

     so use blx lr instead.

     ports/ChangeLog.arm:

     2013-08-30  Will Newton  <will.newton@linaro.org>

     	[BZ #15909]

     	* sysdeps/unix/sysv/linux/arm/clone.S (__clone): Use blx

     	instead of mov lr, pc.

     (cherry picked from commit 6b06ac56cdfc9293908724e51e827534e97819aa)

 diff --git a/NEWS b/NEWS

 index b023c30..f64fb82 100644

 --- a/NEWS

 +++ b/NEWS

 @@ -5,6 +5,12 @@ See the end for copying conditions.

  Please send GNU C library bug reports via <http://sourceware.org/bugzilla/>

  using `glibc' in the "product" field.

 +Version 2.18.1

 +

 +* The following bugs are resolved with this release:

 +

 +  15909.

 +

  Version 2.18

  * The following bugs are resolved with this release:

 diff --git a/ports/ChangeLog.arm b/ports/ChangeLog.arm

 index 1e7a35c..54debd7 100644

 --- a/ports/ChangeLog.arm

 +++ b/ports/ChangeLog.arm

 @@ -1,3 +1,9 @@

 +2013-08-30  Will Newton  <will.newton@linaro.org>

 +

 +	[BZ #15909]

 +	* sysdeps/unix/sysv/linux/arm/clone.S (__clone): Use blx

 +	instead of mov lr, pc.

 +

  2013-07-03  Joseph Myers  <joseph@codesourcery.com>

  	* sysdeps/arm/include/bits/setjmp.h [_ISOMAC] (JMP_BUF_REGLIST):

 diff --git a/ports/sysdeps/unix/sysv/linux/arm/clone.S b/ports/sysdeps/unix/sysv/linux/arm/clone.S

 index ce9c2a5..6e74fa7 100644

 --- a/ports/sysdeps/unix/sysv/linux/arm/clone.S

 +++ b/ports/sysdeps/unix/sysv/linux/arm/clone.S

 @@ -93,8 +93,8 @@ PSEUDO_END (__clone)

  	mov	lr, pc

  	bx      ip

  #else

 -	mov	lr, pc

 -	ldr 	pc, [sp], #8

 +	ldr 	lr, [sp], #8

 +	blx	lr

  #endif

  	@ and we are done, passing the return value through r0