A64: Synchronize with r17441.

src/utils.h

Index: src/utils.h
diff --git a/src/utils.h b/src/utils.h
index a5a26f82835cda399e096adddfd6b91b12f2ca18..0a9550f50fa607c6f2b121b9f50c40d9e31b0d82 100644
--- a/src/utils.h
+++ b/src/utils.h
@@ -430,8 +430,8 @@ class Vector {
   // Returns a vector using the same backing storage as this one,
   // spanning from and including 'from', to but not including 'to'.
   Vector<T> SubVector(int from, int to) {
-    ASSERT(to <= length_);
-    ASSERT(from < to);
+    SLOW_ASSERT(to <= length_);
+    SLOW_ASSERT(from < to);
     ASSERT(0 <= from);
     return Vector<T>(start() + from, to - from);
   }