Revert "Move precompilation-related flags to flags list."

runtime/vm/flow_graph_compiler_ia32.cc

Index: runtime/vm/flow_graph_compiler_ia32.cc
diff --git a/runtime/vm/flow_graph_compiler_ia32.cc b/runtime/vm/flow_graph_compiler_ia32.cc
index 6625a9f28ea7ff9c88704d5b3bb8634129624a97..3ae8998ea01c593c594166e77bcf5736f9c05bd6 100644
--- a/runtime/vm/flow_graph_compiler_ia32.cc
+++ b/runtime/vm/flow_graph_compiler_ia32.cc
@@ -31,6 +31,7 @@ DEFINE_FLAG(bool, unbox_mints, true, "Optimize 64-bit integer arithmetic.");
 
 DECLARE_FLAG(bool, enable_simd_inline);
 DECLARE_FLAG(bool, use_megamorphic_stub);
+DECLARE_FLAG(bool, precompilation);
 
 
 void MegamorphicSlowPath::EmitNativeCode(FlowGraphCompiler* compiler) {
@@ -1144,7 +1145,7 @@ void FlowGraphCompiler::CompileGraph() {
   __ int3();
   GenerateDeferredCode();
 
-  if (is_optimizing() && !FLAG_precompiled_mode) {
+  if (is_optimizing() && !FLAG_precompilation) {
     // Leave enough space for patching in case of lazy deoptimization from
     // deferred code.
     __ nop(CallPattern::pattern_length_in_bytes());
@@ -1310,7 +1311,7 @@ void FlowGraphCompiler::EmitMegamorphicInstanceCall(
   RecordSafepoint(locs);
   const intptr_t deopt_id_after = Thread::ToDeoptAfter(deopt_id);
   // Precompilation not implemented on ia32 platform.
-  ASSERT(!FLAG_precompiled_mode);
+  ASSERT(!FLAG_precompilation);
   if (is_optimizing()) {
     AddDeoptIndexAtCall(deopt_id_after, token_pos);
   } else {