Polymorphic calls in precompilation invoke megamorphic calls when tests fail (instead of deoptimizi…

runtime/vm/compiler.cc

Index: runtime/vm/compiler.cc
diff --git a/runtime/vm/compiler.cc b/runtime/vm/compiler.cc
index 8fc327e1030a9ab687363ce720ca11c069475891..b2a26dcb87ea14e3e85baccb327d7c1ec439490a 100644
--- a/runtime/vm/compiler.cc
+++ b/runtime/vm/compiler.cc
@@ -431,7 +431,8 @@ static bool CompileParsedFunctionHelper(CompilationPipeline* pipeline,
   bool done = false;
   // volatile because the variable may be clobbered by a longjmp.
   volatile bool use_far_branches = false;
-  volatile bool use_speculative_inlining = true;
+  volatile bool use_speculative_inlining =
+      FLAG_max_speculative_inlining_attempts > 0;
   GrowableArray<intptr_t> inlining_black_list;
 
   while (!done) {