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

runtime/vm/deopt_instructions.h

Index: runtime/vm/deopt_instructions.h
diff --git a/runtime/vm/deopt_instructions.h b/runtime/vm/deopt_instructions.h
index 3ccafccbf5e883a63ae20f9087dfadd216bf8663..ea9fe721fb9e3726f4a2dcd51aee273e0da8fd5e 100644
--- a/runtime/vm/deopt_instructions.h
+++ b/runtime/vm/deopt_instructions.h
@@ -373,7 +373,6 @@ class DeoptInstr : public ZoneAllocated {
   DISALLOW_COPY_AND_ASSIGN(DeoptInstr);
 };
 
-
 // Helper class that allows to read a value of the given register from
 // the DeoptContext as the specified type.
 // It calls different method depending on which kind of register (cpu/fpu) and
@@ -395,7 +394,6 @@ struct RegisterReader<FpuRegister, double> {
   }
 };
 
-
 template <>
 struct RegisterReader<FpuRegister, simd128_value_t> {
   static simd128_value_t Read(DeoptContext* context, FpuRegister reg) {
@@ -403,7 +401,6 @@ struct RegisterReader<FpuRegister, simd128_value_t> {
   }
 };
 
-
 // Class that encapsulates reading and writing of values that were either in
 // the registers in the optimized code or were spilled from those registers
 // to the stack.
@@ -473,11 +470,9 @@ class RegisterSource {
   const intptr_t source_index_;
 };
 
-
 typedef RegisterSource<Register> CpuRegisterSource;
 typedef RegisterSource<FpuRegister> FpuRegisterSource;
 
-
 // Builds a deoptimization info table, one DeoptInfo at a time.  Call AddXXX
 // methods in the order of their target, starting wih deoptimized code
 // continuation pc and ending with the first argument of the deoptimized
@@ -564,7 +559,6 @@ class DeoptInfoBuilder : public ValueObject {
   DISALLOW_COPY_AND_ASSIGN(DeoptInfoBuilder);
 };
 
-
 // Utilities for managing the deopt table and its entries.  The table is
 // stored in an Array in the heap.  It consists of triples of (PC offset,
 // info, reason).  Elements of each entry are stored consecutively in the