[compiler] correctly attribute compile event for inner function.

Review-Url: https://codereview.chromium.org/2494993002
Cr-Commit-Position: refs/heads/master@{#40938}

src/compiler.cc

@@ -1586,26 +1586,26 @@ Handle<SharedFunctionInfo> Compiler::GetSharedFunctionInfo(
   if (outer_info->will_serialize()) info.PrepareForSerializing();
   if (outer_info->is_debug()) info.MarkAsDebug();
 
-  // Generate code
-  TimerEventScope<TimerEventCompileCode> timer(isolate);
-  RuntimeCallTimerScope runtimeTimer(isolate, &RuntimeCallStats::CompileCode);
-  TRACE_EVENT0(TRACE_DISABLED_BY_DEFAULT("v8.compile"), "V8.CompileCode");
-
-  if (result->is_compiled()) {
   // If this inner function is already compiled, we don't need to compile
   // again. When compiling for debug, we are not interested in having debug
   // break slots in inner functions, neither for setting break points nor
   // for revealing inner functions.
   // This is especially important for generators. We must not replace the
   // code for generators, as there may be suspended generator objects.
-    return result;
-  } else if (!literal->ShouldEagerCompile()) {
+  if (!result->is_compiled()) {
+    if (!literal->ShouldEagerCompile()) {
       info.SetCode(isolate->builtins()->CompileLazy());
       Scope* outer_scope = literal->scope()->GetOuterScopeWithContext();
       if (outer_scope) {
         result->set_outer_scope_info(*outer_scope->scope_info());
       }
-  } else if (Renumber(info.parse_info()) && GenerateUnoptimizedCode(&info)) {
+    } else {
+      // Generate code
+      TimerEventScope<TimerEventCompileCode> timer(isolate);
+      RuntimeCallTimerScope runtimeTimer(isolate,
+                                         &RuntimeCallStats::CompileCode);
+      TRACE_EVENT0(TRACE_DISABLED_BY_DEFAULT("v8.compile"), "V8.CompileCode");
+      if (Renumber(info.parse_info()) && GenerateUnoptimizedCode(&info)) {
         // Code generation will ensure that the feedback vector is present and
         // appropriately sized.
         DCHECK(!info.code().is_null());
@@ -1615,6 +1615,8 @@ Handle<SharedFunctionInfo> Compiler::GetSharedFunctionInfo(
       } else {
         return Handle<SharedFunctionInfo>::null();
       }
+    }
+  }
 
   if (maybe_existing.is_null()) {
     RecordFunctionCompilation(CodeEventListener::FUNCTION_TAG, &info);