VM: Re-format to use at most one newline between functions

runtime/vm/optimizer.cc

Index: runtime/vm/optimizer.cc
diff --git a/runtime/vm/optimizer.cc b/runtime/vm/optimizer.cc
index 24f5e058009f3ee657bafba7de2b7f4cc76fe346..302996ab12e3f2df21fcf69a7bbfd8b055435fcc 100644
--- a/runtime/vm/optimizer.cc
+++ b/runtime/vm/optimizer.cc
@@ -17,7 +17,6 @@ static bool CidTestResultsContains(const ZoneGrowableArray<intptr_t>& results,
   return false;
 }
 
-
 static void TryAddTest(ZoneGrowableArray<intptr_t>* results,
                        intptr_t test_cid,
                        bool result) {
@@ -27,7 +26,6 @@ static void TryAddTest(ZoneGrowableArray<intptr_t>* results,
   }
 }
 
-
 // Used when we only need the positive result because we return false by
 // default.
 static void PurgeNegativeTestCidsEntries(ZoneGrowableArray<intptr_t>* results) {
@@ -43,7 +41,6 @@ static void PurgeNegativeTestCidsEntries(ZoneGrowableArray<intptr_t>* results) {
   results->SetLength(dest);
 }
 
-
 bool Optimizer::SpecializeTestCidsForNumericTypes(
     ZoneGrowableArray<intptr_t>* results,
     const AbstractType& type) {