Always generate full unoptimized code for intrinsified methods.

runtime/vm/flow_graph_compiler_x64.cc

Index: runtime/vm/flow_graph_compiler_x64.cc
===================================================================
--- runtime/vm/flow_graph_compiler_x64.cc	(revision 26635)
+++ runtime/vm/flow_graph_compiler_x64.cc	(working copy)
@@ -1115,16 +1115,9 @@
 
 void FlowGraphCompiler::CompileGraph() {
   InitCompiler();
-  if (TryIntrinsify()) {
-    // Although this intrinsified code will never be patched, it must satisfy
-    // CodePatcher::CodeIsPatchable, which verifies that this code has a minimum
-    // code size, and nop(2) increases the minimum code size appropriately.
-    __ nop(2);
-    __ int3();
-    __ jmp(&StubCode::FixCallersTargetLabel());
-    return;
-  }
 
+  TryIntrinsify();
+
   EmitFrameEntry();
 
   const Function& function = parsed_function().function();