[aarch64-port-dev ] Fix thinko in Atomic::xchg_ptr

[Andrew Haley]

All client tests were failing because of a recent commit I made.

None of my tests detected this because I was always testing with Compressed
OOPs.  Sorry.

Andrew.


changeset:   7544:7f4c970a6b0c
tag:         tip
user:        aph
date:        Tue Sep 09 18:50:10 2014 +0100
summary:     Fix thinko in Atomic::xchg_ptr.

diff -r c6375c27cbfa -r 7f4c970a6b0c src/os_cpu/linux_aarch64/vm/atomic_linux_aarch64.inline.hpp
--- a/src/os_cpu/linux_aarch64/vm/atomic_linux_aarch64.inline.hpp       Fri Sep 05 07:18:32 2014 -0400
+++ b/src/os_cpu/linux_aarch64/vm/atomic_linux_aarch64.inline.hpp       Tue Sep 09 18:50:10 2014 +0100
@@ -117,7 +117,7 @@

 inline intptr_t Atomic::xchg_ptr(intptr_t exchange_value, volatile intptr_t* dest)
 {
-  jint res = __sync_lock_test_and_set (dest, exchange_value);
+  intptr_t res = __sync_lock_test_and_set (dest, exchange_value);
   FULL_MEM_BARRIER;
   return res;
 }