- Use a map to lookup libraries by URL.

runtime/vm/dart_api_impl_test.cc

Index: runtime/vm/dart_api_impl_test.cc
diff --git a/runtime/vm/dart_api_impl_test.cc b/runtime/vm/dart_api_impl_test.cc
index 02c28dbad4e38d2afe8072547df75b24203d02d1..3b0f2385516666f96cd2bc23c51a3f51048df166 100644
--- a/runtime/vm/dart_api_impl_test.cc
+++ b/runtime/vm/dart_api_impl_test.cc
@@ -6799,7 +6799,7 @@ TEST_CASE(ParsePatchLibrary) {
                             kPatchNoClassChars };
   const String& lib_url = String::Handle(String::New("theLibrary"));
 
-  const Library& lib = Library::Handle(Library::LookupLibrary(lib_url));
+  const Library& lib = Library::Handle(Library::LookupLibrary(thread, lib_url));
 
   for (int i = 0; i < 3; i++) {
     const String& patch_url = String::Handle(String::New(patchNames[i]));