Quick: Work around large frame sizes for x86_64.

Bug: 24729377
Change-Id: Id608aabad60fb7f1a1450a02444bddfb0eb008a6
diff --git a/compiler/dex/local_value_numbering.cc b/compiler/dex/local_value_numbering.cc
index 38f7d1e..25a8326 100644
--- a/compiler/dex/local_value_numbering.cc
+++ b/compiler/dex/local_value_numbering.cc
@@ -347,6 +347,10 @@
   std::fill_n(unresolved_ifield_version_, arraysize(unresolved_ifield_version_), 0u);
 }
 
+LocalValueNumbering::~LocalValueNumbering() {
+  // All done by member destructors.
+}
+
 bool LocalValueNumbering::Equals(const LocalValueNumbering& other) const {
   DCHECK(gvn_ == other.gvn_);
   // Compare the maps/sets and memory versions.