Fix a null dereference.

zrax · zrax · commit 48d1bfa59fe9 · 2024-08-06T08:21:12.000-07:00
Fixes #486
diff --git a/ASTree.cpp b/ASTree.cpp
@@ -396,7 +396,7 @@ PycRef<ASTNode> BuildFromCode(PycRef<PycCode> code, PycModule* mod)
             {
                 // if class is a closure code, ignore this tuple
                 PycRef<ASTNode> tos = stack.top();
-                if (tos->type() == ASTNode::NODE_LOADBUILDCLASS) {
+                if (tos && tos->type() == ASTNode::NODE_LOADBUILDCLASS) {
                     break;
                 }
 

Original file line number	Diff line number	Diff line change
`@@ -396,7 +396,7 @@ PycRef<ASTNode> BuildFromCode(PycRef<PycCode> code, PycModule* mod)`
`396`	`396`	`{`
`397`	`397`	`// if class is a closure code, ignore this tuple`
`398`	`398`	`PycRef<ASTNode> tos = stack.top();`
`399`		`- if (tos->type() == ASTNode::NODE_LOADBUILDCLASS) {`
	`399`	`+ if (tos && tos->type() == ASTNode::NODE_LOADBUILDCLASS) {`
`400`	`400`	`break;`
`401`	`401`	`}`
`402`	`402`