1 files changed, 2 insertions, 0 deletions
diff --git a/gc.cpp b/gc.cpp
index 6311058..3964324 100644
--- a/gc.cpp
+++ b/gc.cpp
@@ -77,9 +77,11 @@ GC::collect(const Roots& roots)
 				break;
 			case GC::TAG_AST:
 				AST* ast = (AST*)*i;
+				if (!ast->to<AType*>()) { // FIXME
 				(ast)->~AST();
 				free((char*)(*i) - sizeof(Object::Header));
 				_heap.erase(i);
+				}
 				break;
 			}
 		}