Ensure that we never try to split range at its end position.

runtime/vm/intermediate_language.cc

Index: runtime/vm/intermediate_language.cc
diff --git a/runtime/vm/intermediate_language.cc b/runtime/vm/intermediate_language.cc
index e6ac94a79a7454e2c1f8fa43232c331f520522cf..7e5d7515554fbb466f1276f7c2eb4ee4ac788b24 100644
--- a/runtime/vm/intermediate_language.cc
+++ b/runtime/vm/intermediate_language.cc
@@ -952,6 +952,9 @@ void GraphEntryInstr::PrepareEntry(FlowGraphCompiler* compiler) {
 
 void JoinEntryInstr::PrepareEntry(FlowGraphCompiler* compiler) {
   __ Bind(compiler->GetBlockLabel(this));
+  if (HasParallelMove()) {
+    compiler->parallel_move_resolver()->EmitNativeCode(parallel_move());
+  }
 }
 
 
@@ -961,6 +964,9 @@ void TargetEntryInstr::PrepareEntry(FlowGraphCompiler* compiler) {
     compiler->AddExceptionHandler(try_index(),
                                   compiler->assembler()->CodeSize());
   }
+  if (HasParallelMove()) {
+    compiler->parallel_move_resolver()->EmitNativeCode(parallel_move());
+  }
 }
 
 
@@ -1043,6 +1049,10 @@ LocationSummary* GotoInstr::MakeLocationSummary() const {
 
 
 void GotoInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
+  if (HasParallelMove()) {
+    compiler->parallel_move_resolver()->EmitNativeCode(parallel_move());
+  }
+
   // We can fall through if the successor is the next block in the list.
   // Otherwise, we need a jump.
   if (!compiler->IsNextBlock(successor())) {