Index: runtime/vm/compiler.cc |
diff --git a/runtime/vm/compiler.cc b/runtime/vm/compiler.cc |
index 43bbcbafdf6989103e9953a9832403cccc626754..def329154eb469694d1237c4e494931860da7c2f 100644 |
--- a/runtime/vm/compiler.cc |
+++ b/runtime/vm/compiler.cc |
@@ -266,6 +266,7 @@ static void AddRelatedClassesToList( |
RawError* Compiler::CompileClass(const Class& cls) { |
+ ASSERT(Thread::Current()->IsMutatorThread()); |
// If class is a top level class it is already parsed. |
if (cls.IsTopLevel()) { |
return Error::null(); |