Unbreaks the testcase from

    http://lists.nongnu.org/archive/html/qemu-arm/2018-01/msg00514.html

Thanks to Laurent Vivier for spotting the 7th one.
Signed-off-by: Guido Günther <a...@sigxcpu.org>
---
 linux-user/host/aarch64/safe-syscall.inc.S | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/linux-user/host/aarch64/safe-syscall.inc.S 
b/linux-user/host/aarch64/safe-syscall.inc.S
index 58a2329b37..bc1f5a9792 100644
--- a/linux-user/host/aarch64/safe-syscall.inc.S
+++ b/linux-user/host/aarch64/safe-syscall.inc.S
@@ -36,7 +36,7 @@ safe_syscall_base:
         *               and return the result in x0
         * and the syscall instruction needs
         *               x8 == syscall number
-        *               x0 ... x7 == syscall arguments
+        *               x0 ... x6 == syscall arguments
         *               and returns the result in x0
         * Shuffle everything around appropriately.
         */
@@ -47,8 +47,8 @@ safe_syscall_base:
        mov     x2, x4
        mov     x3, x5
        mov     x4, x6
-       mov     x6, x7
-       ldr     x7, [sp]
+       mov     x5, x7
+       ldr     x6, [sp]
 
        /* This next sequence of code works in conjunction with the
         * rewind_if_safe_syscall_function(). If a signal is taken
-- 
2.15.1


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