Move precompilation-related flags to flags list.

runtime/vm/flow_graph_range_analysis.cc

Index: runtime/vm/flow_graph_range_analysis.cc
diff --git a/runtime/vm/flow_graph_range_analysis.cc b/runtime/vm/flow_graph_range_analysis.cc
index f9840c603930359fc694fbf356691db316dd0e3c..18eaa36036a44537afc2d8089b1d1fc26875b6cd 100644
--- a/runtime/vm/flow_graph_range_analysis.cc
+++ b/runtime/vm/flow_graph_range_analysis.cc
@@ -14,7 +14,6 @@ DEFINE_FLAG(bool, array_bounds_check_elimination, true,
 DEFINE_FLAG(bool, trace_range_analysis, false, "Trace range analysis progress");
 DEFINE_FLAG(bool, trace_integer_ir_selection, false,
     "Print integer IR selection optimization pass.");
-DECLARE_FLAG(bool, precompilation);
 DECLARE_FLAG(bool, trace_constant_propagation);
 
 // Quick access to the locally defined isolate() and zone() methods.
@@ -1534,7 +1533,7 @@ void RangeAnalysis::EliminateRedundantBoundsChecks() {
     // optimistic hoisting of checks possible)
     const bool try_generalization =
         function.allows_bounds_check_generalization() &&
-        !FLAG_precompilation;
+        !FLAG_precompiled_mode;
 
     BoundsCheckGeneralizer generalizer(this, flow_graph_);