Rename assembler field/getter/setter allow_constant_pool to constant_pool_allowed

runtime/vm/flow_graph_compiler_x64.cc

Index: runtime/vm/flow_graph_compiler_x64.cc
diff --git a/runtime/vm/flow_graph_compiler_x64.cc b/runtime/vm/flow_graph_compiler_x64.cc
index 3aa6f29e02cb8293ad7aff79fa7edf8458e23cf6..37e5832e3212369ef61711df4672317df15fd5c0 100644
--- a/runtime/vm/flow_graph_compiler_x64.cc
+++ b/runtime/vm/flow_graph_compiler_x64.cc
@@ -67,14 +67,14 @@ bool FlowGraphCompiler::SupportsHardwareDivision() {
 void FlowGraphCompiler::EnterIntrinsicMode() {
   ASSERT(!intrinsic_mode());
   intrinsic_mode_ = true;
-  assembler()->set_allow_constant_pool(false);
+  assembler()->set_constant_pool_allowed(false);
 }
 
 
 void FlowGraphCompiler::ExitIntrinsicMode() {
   ASSERT(intrinsic_mode());
   intrinsic_mode_ = false;
-  assembler()->set_allow_constant_pool(true);
+  assembler()->set_constant_pool_allowed(true);
 }