Recognize List constructor and turn it into CreateArray ...

runtime/vm/intermediate_language.cc

Index: runtime/vm/intermediate_language.cc
===================================================================
--- runtime/vm/intermediate_language.cc	(revision 36052)
+++ runtime/vm/intermediate_language.cc	(working copy)
@@ -411,11 +411,12 @@
 static bool CompareNames(const Library& lib,
                          const char* test_name,
                          const String& name) {
+  ASSERT(Library::kPrivateIdentifierStart == '_');
   const char* kPrivateGetterPrefix = "get:_";
   const char* kPrivateSetterPrefix = "set:_";
 
-  if (test_name[0] == '_') {
-    if (name.CharAt(0) != '_') {
+  if (test_name[0] == Library::kPrivateIdentifierStart) {
+    if (name.CharAt(0) != Library::kPrivateIdentifierStart) {
       return false;
     }
   } else if (strncmp(test_name,
@@ -436,8 +437,18 @@
   }
 
   // Both names are private. Mangle test_name before comparison.
-  const String& test_name_symbol = String::Handle(Symbols::New(test_name));
-  return String::Handle(lib.PrivateName(test_name_symbol)).Equals(name);
+  // Check if this is a constructor (e.g., List,), in which case the mangler
+  // needs some help (see comment in Library::PrivateName).
+  String& test_name_symbol = String::Handle();
+  if (test_name[strlen(test_name) - 1] == '.') {
+    test_name_symbol = Symbols::New(test_name, strlen(test_name) - 1);
+    test_name_symbol = lib.PrivateName(test_name_symbol);
+    test_name_symbol = String::Concat(test_name_symbol, Symbols::Dot());
+  } else {
+    test_name_symbol = Symbols::New(test_name);
+    test_name_symbol = lib.PrivateName(test_name_symbol);
+  }
+  return test_name_symbol.Equals(name);
 }