fix #23518 - <expr> is crashes nimsuggest (#23523)

This solution should resolve the nimsuggest crash issue. However, perhaps the problem is in the parser? fix #23518
nim-lang · Apr 21, 2024 · 60af046 · 60af046
1 parent 1185b93
commit 60af046
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/compiler/semexprs.nim b/compiler/semexprs.nim
@@ -518,8 +518,9 @@ proc isOpImpl(c: PContext, n: PNode, flags: TExprFlags): PNode =
   result.typ = n.typ
 
 proc semIs(c: PContext, n: PNode, flags: TExprFlags): PNode =
-  if n.len != 3:
+  if n.len != 3 or n[2].kind == nkEmpty:
     localError(c.config, n.info, "'is' operator takes 2 arguments")
+    return errorNode(c, n)
 
   let boolType = getSysType(c.graph, n.info, tyBool)
   result = n