compiler: enable optimizer for function literals

src/compiler.cc

Index: src/compiler.cc
diff --git a/src/compiler.cc b/src/compiler.cc
index 3b52aa2d3b925925b243fe13836641725c1d69d4..59d2fb8b1814f5c47d5dd0d888df7ee64e9478c8 100644
--- a/src/compiler.cc
+++ b/src/compiler.cc
@@ -1238,7 +1238,9 @@ MaybeHandle<JSFunction> Compiler::GetFunctionFromEval(
     } else {
       // Explicitly disable optimization for eval code. We're not yet prepared
       // to handle eval-code in the optimizing compiler.
-      shared_info->DisableOptimization(kEval);
+      if (restriction != ONLY_SINGLE_FUNCTION_LITERAL) {
+        shared_info->DisableOptimization(kEval);
+      }
 
       // If caller is strict mode, the result must be in strict mode as well.
       DCHECK(strict_mode == SLOPPY || shared_info->strict_mode() == STRICT);