Add flag inlining_callee_size_threshold_with_constants (default 200) which causes more aggressive i…

runtime/vm/flow_graph_inliner.cc

Index: runtime/vm/flow_graph_inliner.cc
===================================================================
--- runtime/vm/flow_graph_inliner.cc	(revision 42168)
+++ runtime/vm/flow_graph_inliner.cc	(working copy)
@@ -36,6 +36,8 @@
     "Always inline functions containing threshold or fewer calls.");
 DEFINE_FLAG(int, inlining_callee_size_threshold, 80,
     "Do not inline callees larger than threshold");
+DEFINE_FLAG(int, inlining_callee_size_threshold_with_constants, 200,
+    "Do not inline callees larger than threshold if constant arguments");
 DEFINE_FLAG(int, inlining_caller_size_threshold, 50000,
     "Stop inlining once caller reaches the threshold.");
 DEFINE_FLAG(int, inlining_constant_arguments_count, 1,
@@ -498,7 +500,11 @@
       // Prevent methods becoming humongous and thus slow to compile.
       return false;
     }
-    if (instr_count > FLAG_inlining_callee_size_threshold) {
+    if (const_arg_count > 0) {
+      if (instr_count > FLAG_inlining_callee_size_threshold_with_constants) {
+        return false;
+      }
+    } else if (instr_count > FLAG_inlining_callee_size_threshold) {
       return false;
     }
     // 'instr_count' can be 0 if it was not computed yet.