[PATCH] hppa: Fix clone exit syscall argument passing (BZ#21512)

[Adhemerval Zanella]

This patch fixes the argument passing for exit syscall after
the clone function returns on hppa.  This fixes on misc/tst-clone1.

Checked misc/tst-clone2 on hppa-linux-gnu.

	[BZ #21512]
	* sysdeps/unix/sysv/linux/hppa/clone.S (__clone): Fix argument
	passing to syscall exit.
---
 ChangeLog                            | 4 ++++
 sysdeps/unix/sysv/linux/hppa/clone.S | 2 +-
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/sysdeps/unix/sysv/linux/hppa/clone.S b/sysdeps/unix/sysv/linux/hppa/clone.S
index ead3c92..0579d98 100644
--- a/sysdeps/unix/sysv/linux/hppa/clone.S
+++ b/sysdeps/unix/sysv/linux/hppa/clone.S
@@ -150,7 +150,7 @@ ENTRY(__clone)
 #ifdef PIC
 	copy	%r4, %r19
 #endif
-	/* The call to _exit needs saved r19.  */
+	copy	%r28, %r26
 	ble     0x100(%sr2, %r0)
 	ldi	__NR_exit, %r20
 
-- 
2.7.4