Files
swift-mirror/test/IRGen/alloc_box.swift
2019-02-25 18:11:04 -05:00

16 lines
400 B
Swift

// RUN: %target-swift-frontend -primary-file %s -emit-ir -o - | %FileCheck %s
func f() -> Bool? { return nil }
({
guard var b = f() else { return }
let c = { b = true }
_ = (b, c)
})()
// CHECK-LABEL: @"$s9alloc_boxyyXEfU_"
// CHECK-NOT: call void @swift_setDeallocating
// CHECK: call void @swift_deallocUninitializedObject
// CHECK-NOT: call void @swift_setDeallocating
// CHECK: ret void