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

runtime/vm/code_descriptors.h

Index: runtime/vm/code_descriptors.h
diff --git a/runtime/vm/code_descriptors.h b/runtime/vm/code_descriptors.h
index 1648c48b61886de1bf6f1ea60a6be5015b1eef39..c31b4a1f32b254cfdd78b611dd5f9fbc19401817 100644
--- a/runtime/vm/code_descriptors.h
+++ b/runtime/vm/code_descriptors.h
@@ -43,7 +43,6 @@ class DescriptorList : public ZoneAllocated {
   DISALLOW_COPY_AND_ASSIGN(DescriptorList);
 };
 
-
 class StackMapTableBuilder : public ZoneAllocated {
  public:
   StackMapTableBuilder()
@@ -69,7 +68,6 @@ class StackMapTableBuilder : public ZoneAllocated {
   DISALLOW_COPY_AND_ASSIGN(StackMapTableBuilder);
 };
 
-
 class ExceptionHandlerList : public ZoneAllocated {
  public:
   struct HandlerDesc {
@@ -117,7 +115,6 @@ class ExceptionHandlerList : public ZoneAllocated {
     list_[try_index].needs_stacktrace |= needs_stacktrace;
   }
 
-
   // Called by rethrows, to mark their enclosing handlers.
   void SetNeedsStackTrace(intptr_t try_index) {
     // Rethrows can be generated outside a try by the compiler.
@@ -131,7 +128,6 @@ class ExceptionHandlerList : public ZoneAllocated {
     list_[try_index].needs_stacktrace = true;
   }
 
-
   static bool ContainsDynamic(const Array& array) {
     for (intptr_t i = 0; i < array.Length(); i++) {
       if (array.At(i) == Type::DynamicType()) {
@@ -148,7 +144,6 @@ class ExceptionHandlerList : public ZoneAllocated {
   DISALLOW_COPY_AND_ASSIGN(ExceptionHandlerList);
 };
 
-
 // An encoded move from stack/constant to stack performed
 struct CatchEntryStatePair {
   enum { kCatchEntryStateIsMove = 1, kCatchEntryStateDestShift = 1 };
@@ -176,7 +171,6 @@ struct CatchEntryStatePair {
   }
 };
 
-
 // Used to construct CatchEntryState metadata for AoT mode of compilation.
 class CatchEntryStateMapBuilder : public ZoneAllocated {
  public:
@@ -201,7 +195,6 @@ class CatchEntryStateMapBuilder : public ZoneAllocated {
   DISALLOW_COPY_AND_ASSIGN(CatchEntryStateMapBuilder);
 };
 
-
 // A CodeSourceMap maps from pc offsets to a stack of inlined functions and
 // their positions. This is encoded as a little bytecode that pushes and pops
 // functions and changes the top function's position as the PC advances.
@@ -307,7 +300,6 @@ class CodeSourceMapBuilder : public ZoneAllocated {
   DISALLOW_COPY_AND_ASSIGN(CodeSourceMapBuilder);
 };
 
-
 class CodeSourceMapReader : public ValueObject {
  public:
   CodeSourceMapReader(const CodeSourceMap& map,