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master
test/fixedbugs/issue39292.go
38 строк
768 B
Keith Randall
cmd/compile: remove gc programs from stack frame objects
18 ноя 2024, 21:43
18 ноя 2024, 21:43
5a0f2a7
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// errorcheck -0 -m -l // Copyright 2020 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. package p type t [20000]*int func (t) f() { } func x() { x := t{}.f // ERROR "t{}.f escapes to heap" x() } func y() { var i int // ERROR "moved to heap: i" y := (&t{&i}).f // ERROR "\(&t{...}\).f escapes to heap" "&t{...} escapes to heap" y() } func z() { var i int // ERROR "moved to heap: i" z := t{&i}.f // ERROR "t{...}.f escapes to heap" z() } // Should match cmd/compile/internal/ir/cfg.go:MaxStackVarSize. const maxStack = 128 * 1024 func w(i int) byte { var x [maxStack]byte var y [maxStack + 1]byte // ERROR "moved to heap: y" return x[i] + y[i] }