Save the native name on the function instead of finding it in the token stream for lazily-linked na…

runtime/vm/compiler.cc

Index: runtime/vm/compiler.cc
diff --git a/runtime/vm/compiler.cc b/runtime/vm/compiler.cc
index 8bcde79aa8fdc34149db4dfc9968767e4529b058..de8560e7ec3192ae47152bb054316a241ed404c8 100644
--- a/runtime/vm/compiler.cc
+++ b/runtime/vm/compiler.cc
@@ -1155,7 +1155,9 @@ static RawError* CompileFunctionHelper(CompilationPipeline* pipeline,
     // We got an error during compilation.
     error = isolate->object_store()->sticky_error();
     isolate->object_store()->clear_sticky_error();
-    ASSERT(!optimized);
+    // Unoptimized compilation or precompilation may encounter compile-time
+    // errors, but regular optimized compilation should not.
+    ASSERT(!optimized || Compiler::always_optimize());
     // Do not attempt to optimize functions that can cause errors.
     function.set_is_optimizable(false);
     return error.raw();