Try to avoid checks for lazy initialization when recompiling.

runtime/vm/intermediate_language_ia32.cc

Index: runtime/vm/intermediate_language_ia32.cc
diff --git a/runtime/vm/intermediate_language_ia32.cc b/runtime/vm/intermediate_language_ia32.cc
index 444cd5c8f09fb3a3562784edba5210a5f71a2636..b376b44c72261c15c84635c995901bd7d9975cdf 100644
--- a/runtime/vm/intermediate_language_ia32.cc
+++ b/runtime/vm/intermediate_language_ia32.cc
@@ -1772,6 +1772,11 @@ LocationSummary* LoadStaticFieldInstr::MakeLocationSummary() const {
 }
 
 
+// When the parser is building an implicit static getter for optimization,
+// it can generate a function body where deoptimization ids do not line up
+// with the unoptimized code.
+//
+// This is safe only so long as LoadStaticFieldInstr cannot deoptimize.
 void LoadStaticFieldInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   Register field = locs()->in(0).reg();
   Register result = locs()->out().reg();