Allow inlining of functions containing function literals.

src/ast.cc

Index: src/ast.cc
diff --git a/src/ast.cc b/src/ast.cc
index 6b68705d27760ae8b450a6ce88c22d54b01e4142..65c6dc70731653937364bb894d09f7977377ed4c 100644
--- a/src/ast.cc
+++ b/src/ast.cc
@@ -1066,6 +1066,7 @@ REGULAR_NODE(CompareOperation)
 REGULAR_NODE(ThisFunction)
 REGULAR_NODE(Call)
 REGULAR_NODE(CallNew)
+REGULAR_NODE(FunctionLiteral)
 // In theory, for VariableProxy we'd have to add:
 // if (node->var()->IsLookupSlot()) add_flag(kDontInline);
 // But node->var() is usually not bound yet at VariableProxy creation time, and
@@ -1089,7 +1090,6 @@ DONT_OPTIMIZE_NODE(DebuggerStatement)
 DONT_OPTIMIZE_NODE(SharedFunctionInfoLiteral)
 
 DONT_INLINE_NODE(ArrayLiteral)  // TODO(1322): Allow materialized literals.
-DONT_INLINE_NODE(FunctionLiteral)
 
 DONT_SELFOPTIMIZE_NODE(DoWhileStatement)
 DONT_SELFOPTIMIZE_NODE(WhileStatement)