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prevent mutating nil trees in irtree generation

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This commit is contained in:
Ryan Fleury
2025-05-09 09:58:39 -07:00
parent cb2e9fe27c
commit e491a76861
1 changed files with 4 additions and 1 deletions
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src/eval/eval_ir.c
+4 -1
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@@ -122,7 +122,10 @@ e_push_irnode(Arena *arena, RDI_EvalOp op)
internal void internal void
e_irnode_push_child(E_IRNode *parent, E_IRNode *child) 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 //- rjf: ir subtree building helpers