diff --git a/.gitignore b/.gitignore
index 7cfe02d..3b39e81 100644
--- a/.gitignore
+++ b/.gitignore
@@ -6,3 +6,5 @@
 /.kdev4
 __pycache__
 tests-out
+build/
+.vscode/
diff --git a/ASTree.cpp b/ASTree.cpp
index 1f419d0..10f507e 100644
--- a/ASTree.cpp
+++ b/ASTree.cpp
@@ -1679,6 +1679,7 @@ PycRef<ASTNode> BuildFromCode(PycRef<PycCode> code, PycModule* mod)
             /* Do nothing. */
             break;
         case Pyc::POP_TOP:
+        case Pyc::END_FOR:
             {
                 PycRef<ASTNode> value = stack.top();
                 stack.pop();
@@ -2473,6 +2474,8 @@ PycRef<ASTNode> BuildFromCode(PycRef<PycCode> code, PycModule* mod)
                 stack.push(next_tup);
             }
             break;
+        case Pyc::COPY_A:
+            break;
         default:
             fprintf(stderr, "Unsupported opcode: %s (%d)\n", Pyc::OpcodeName(opcode), opcode);
             cleanBuild = false;