checker: fix possible race on expected arg types unwrapping on cgen (#25815)

felipensp · web-flow · commit 8147388a5c00 · 2025-11-24T19:28:17.000+02:00
diff --git a/vlib/v/checker/fn.v b/vlib/v/checker/fn.v
@@ -2890,6 +2890,9 @@ fn (mut c Checker) set_node_expected_arg_types(mut node ast.CallExpr, func &ast.
 			node.expected_arg_types << func.params[i].typ
 		}
 	}
+	if func.generic_names.len > 0 {
+		node.expected_arg_types.map(c.unwrap_generic(it))
+	}
 }
 
 fn (mut c Checker) post_process_generic_fns() ! {

Original file line number	Diff line number	Diff line change
`@@ -2890,6 +2890,9 @@ fn (mut c Checker) set_node_expected_arg_types(mut node ast.CallExpr, func &ast.`
`2890`	`2890`	`node.expected_arg_types << func.params[i].typ`
`2891`	`2891`	`}`
`2892`	`2892`	`}`
	`2893`	`+ if func.generic_names.len > 0 {`
	`2894`	`+ node.expected_arg_types.map(c.unwrap_generic(it))`
	`2895`	`+ }`
`2893`	`2896`	`}`
`2894`	`2897`
`2895`	`2898`	`fn (mut c Checker) post_process_generic_fns() ! {`