areusch commented on a change in pull request #5417:
URL: https://github.com/apache/incubator-tvm/pull/5417#discussion_r415961064
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File path: python/tvm/relay/_parser.py
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@@ -340,7 +342,10 @@ def visitLocalVar(self, ctx):
return local_var
def visitGraphVar(self, ctx):
- return self.graph_expr[int(ctx.NAT().getText())]
+ graph_var_idx = int(ctx.NAT().getText())
+ if graph_var_idx >= len(self.graph_expr):
+ raise ParseError(f"graph var `%{graph_var_idx}` is unbound")
+ return self.graph_expr[graph_var_idx]
Review comment:
ok, what about the changes on line 154 as well? I don't know what they
do yet.
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