[compiler] Remove redundant unoptimized compile trigger.

src/compiler.cc

Index: src/compiler.cc
diff --git a/src/compiler.cc b/src/compiler.cc
index 35e82209ffac0b26fdc35654eed9844b79fb9704..e2800ca24d032812d8db4424af3f6960841a4458 100644
--- a/src/compiler.cc
+++ b/src/compiler.cc
@@ -1088,21 +1088,10 @@ MaybeHandle<Code> GetOptimizedCode(Handle<JSFunction> function,
 
   DCHECK(AllowCompilation::IsAllowed(isolate));
 
-  if (!shared->is_compiled() ||
-      shared->scope_info() == ScopeInfo::Empty(isolate)) {
-    // The function was never compiled. Compile it unoptimized first.
-    // TODO(titzer): reuse the AST and scope info from this compile.
-    CompilationInfoWithZone unoptimized(function);
-    unoptimized.EnableDeoptimizationSupport();
-    Handle<Code> unoptimized_code;
-    if (!GetUnoptimizedCodeCommon(&unoptimized).ToHandle(&unoptimized_code)) {
-      return MaybeHandle<Code>();
-    }
-    shared->ReplaceCode(*unoptimized_code);
+  if (shared->is_compiled()) {
+    shared->code()->set_profiler_ticks(0);
   }
 
-  shared->code()->set_profiler_ticks(0);
-
   // TODO(mstarzinger): We cannot properly deserialize a scope chain containing
   // an eval scope and hence would fail at parsing the eval source again.
   if (shared->disable_optimization_reason() == kEval) {