Bailout if field state changed during background compilation.

runtime/vm/source_report.cc

Index: runtime/vm/source_report.cc
diff --git a/runtime/vm/source_report.cc b/runtime/vm/source_report.cc
index 6290b6edb1e09946159e4ce2909236d65e132fe2..3b9398f01e9a7025c9067e8873a5b40f31d72ddc 100644
--- a/runtime/vm/source_report.cc
+++ b/runtime/vm/source_report.cc
@@ -111,14 +111,14 @@ bool SourceReport::ScriptIsLoadedByLibrary(const Script& script,
 
 
 void SourceReport::PrintCallSitesData(JSONObject* jsobj,
-                                      const Function& func,
+                                      const Function& function,
                                       const Code& code) {
-  const TokenPosition begin_pos = func.token_pos();
-  const TokenPosition end_pos = func.end_token_pos();
+  const TokenPosition begin_pos = function.token_pos();
+  const TokenPosition end_pos = function.end_token_pos();
 
   ZoneGrowableArray<const ICData*>* ic_data_array =
       new(zone()) ZoneGrowableArray<const ICData*>();
-  func.RestoreICDataMap(ic_data_array, false /* clone descriptors */);
+  function.RestoreICDataMap(ic_data_array, false /* clone descriptors */);
   const PcDescriptors& descriptors = PcDescriptors::Handle(
       zone(), code.pc_descriptors());
 
@@ -143,14 +143,14 @@ void SourceReport::PrintCallSitesData(JSONObject* jsobj,
 }
 
 void SourceReport::PrintCoverageData(JSONObject* jsobj,
-                                     const Function& func,
+                                     const Function& function,
                                      const Code& code) {
-  const TokenPosition begin_pos = func.token_pos();
-  const TokenPosition end_pos = func.end_token_pos();
+  const TokenPosition begin_pos = function.token_pos();
+  const TokenPosition end_pos = function.end_token_pos();
 
   ZoneGrowableArray<const ICData*>* ic_data_array =
       new(zone()) ZoneGrowableArray<const ICData*>();
-  func.RestoreICDataMap(ic_data_array, false /* clone descriptors */);
+  function.RestoreICDataMap(ic_data_array, false /* clone descriptors */);
   const PcDescriptors& descriptors = PcDescriptors::Handle(
       zone(), code.pc_descriptors());