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

runtime/vm/object_x64_test.cc

Index: runtime/vm/object_x64_test.cc
diff --git a/runtime/vm/object_x64_test.cc b/runtime/vm/object_x64_test.cc
index e5b1033ee83478a7246361735f03cf5429423781..8c016cecb5b375d945c6d146c2805b730151d995 100644
--- a/runtime/vm/object_x64_test.cc
+++ b/runtime/vm/object_x64_test.cc
@@ -14,7 +14,6 @@ namespace dart {
 
 #define __ assembler->
 
-
 // Generate a simple dart code sequence.
 // This is used to test Code and Instruction object creation.
 void GenerateIncrement(Assembler* assembler) {
@@ -28,7 +27,6 @@ void GenerateIncrement(Assembler* assembler) {
   __ ret();
 }
 
-
 // Generate a dart code sequence that embeds a string object in it.
 // This is used to test Embedded String objects in the instructions.
 void GenerateEmbedStringInCode(Assembler* assembler, const char* str) {
@@ -40,7 +38,6 @@ void GenerateEmbedStringInCode(Assembler* assembler, const char* str) {
   __ ret();
 }
 
-
 // Generate a dart code sequence that embeds a smi object in it.
 // This is used to test Embedded Smi objects in the instructions.
 void GenerateEmbedSmiInCode(Assembler* assembler, intptr_t value) {