Prevent excessive deoptimization when optimistically assuming Smi in typed data stores.

runtime/vm/weak_code.cc

Index: runtime/vm/weak_code.cc
diff --git a/runtime/vm/weak_code.cc b/runtime/vm/weak_code.cc
index 9e223bcdf6b83c4e48256c1b8a401f8ded1421d8..fa111743c464836b326cb05e179454465f781d6c 100644
--- a/runtime/vm/weak_code.cc
+++ b/runtime/vm/weak_code.cc
@@ -108,7 +108,7 @@ void WeakCodeReferences::DisableCode() {
       function.SwitchToUnoptimizedCode();
     } else if (function.unoptimized_code() == code.raw()) {
       ReportSwitchingCode(code);
-      function.ClearICData();
+      function.ClearICDataArray();
       // Remove the code object from the function. The next time the
       // function is invoked, it will be compiled again.
       function.ClearCode();