prevent mutating nil trees in irtree generation

This commit is contained in:
Ryan Fleury
2025-05-09 09:58:39 -07:00
parent cb2e9fe27c
commit e491a76861
+4 -1
View File
@@ -122,7 +122,10 @@ e_push_irnode(Arena *arena, RDI_EvalOp op)
internal void
e_irnode_push_child(E_IRNode *parent, E_IRNode *child)
{
SLLQueuePush_NZ(&e_irnode_nil, parent->first, parent->last, child, next);
if(parent != &e_irnode_nil && child != &e_irnode_nil)
{
SLLQueuePush_NZ(&e_irnode_nil, parent->first, parent->last, child, next);
}
}
//- rjf: ir subtree building helpers