Do not update Out after it has a valid location.

Slow paths use LocationSummary to know where to move
things around, and they are executed at the end of the
code generation.

This fix is needed for https://android-review.googlesource.com/#/c/113345/.

Change-Id: Id336c6409479b1de6dc839b736a7234d08a7774a
diff --git a/compiler/optimizing/code_generator_arm64.cc b/compiler/optimizing/code_generator_arm64.cc
index 1be5717..e84346b 100644
--- a/compiler/optimizing/code_generator_arm64.cc
+++ b/compiler/optimizing/code_generator_arm64.cc
@@ -413,7 +413,9 @@
       __ Mov(temp, value);
       __ Str(temp, StackOperandFrom(location));
     }
-
+  } else if (instruction->IsTemporary()) {
+    Location temp_location = GetTemporaryLocation(instruction->AsTemporary());
+    MoveHelper(location, temp_location, type);
   } else if (instruction->IsLoadLocal()) {
     uint32_t stack_slot = GetStackSlot(instruction->AsLoadLocal()->GetLocal());
     switch (type) {