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📁 ..
📄 addressed_test.go(4.42 KB)
📄 append_test.go(1.16 KB)
📄 arithBoundary_test.go(31.31 KB)
📄 arithConst_test.go(633.8 KB)
📄 arith_test.go(41.51 KB)
📄 array_test.go(3.09 KB)
📄 assert_test.go(2.54 KB)
📄 break_test.go(3.67 KB)
📄 chan_test.go(1.14 KB)
📄 closure_test.go(572 B)
📄 cmpConst_test.go(103.06 KB)
📄 cmp_test.go(903 B)
📄 compound_test.go(2.7 KB)
📄 copy_test.go(150.18 KB)
📄 ctl_test.go(2.33 KB)
📄 deferNoReturn_test.go(481 B)
📄 divbyzero_test.go(1.01 KB)
📄 dupLoad_test.go(1.51 KB)
📄 flowgraph_generator1.go(6.72 KB)
📄 fp_test.go(34.99 KB)
📁 gen
📄 loadstore_test.go(4.79 KB)
📄 map_test.go(721 B)
📁 mysort
📄 namedReturn_test.go(1.63 KB)
📄 phi_test.go(2.21 KB)
📄 ptrsort.go(633 B)
📄 ptrsort.out(77 B)
📄 regalloc_test.go(1.2 KB)
📁 reproducible
📄 short_test.go(1.48 KB)
📄 slice_test.go(850 B)
📄 sqrtConst_test.go(1.26 KB)
📄 string_test.go(4.46 KB)
📄 unsafe_test.go(2.96 KB)
📄 zero_test.go(49.6 KB)

Editing: namedReturn_test.go

// Copyright 2016 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.

// This test makes sure that naming named
// return variables in a return statement works.
// See issue #14904.

package main

import (
	"runtime"
	"testing"
)

// Our heap-allocated object that will be GC'd incorrectly.
// Note that we always check the second word because that's
// where 0xdeaddeaddeaddead is written.
type B [4]int

// small (SSAable) array
type A1 [3]*B

//go:noinline
func f1() (t A1) {
	t[0] = &B{91, 92, 93, 94}
	runtime.GC()
	return t
}

// large (non-SSAable) array
type A2 [8]*B

//go:noinline
func f2() (t A2) {
	t[0] = &B{91, 92, 93, 94}
	runtime.GC()
	return t
}

// small (SSAable) struct
type A3 struct {
	a, b, c *B
}

//go:noinline
func f3() (t A3) {
	t.a = &B{91, 92, 93, 94}
	runtime.GC()
	return t
}

// large (non-SSAable) struct
type A4 struct {
	a, b, c, d, e, f *B
}

//go:noinline
func f4() (t A4) {
	t.a = &B{91, 92, 93, 94}
	runtime.GC()
	return t
}

var sink *B

func f5() int {
	b := &B{91, 92, 93, 94}
	t := A4{b, nil, nil, nil, nil, nil}
	sink = b   // make sure b is heap allocated ...
	sink = nil // ... but not live
	runtime.GC()
	t = t
	return t.a[1]
}

func TestNamedReturn(t *testing.T) {
	if v := f1()[0][1]; v != 92 {
		t.Errorf("f1()[0][1]=%d, want 92\n", v)
	}
	if v := f2()[0][1]; v != 92 {
		t.Errorf("f2()[0][1]=%d, want 92\n", v)
	}
	if v := f3().a[1]; v != 92 {
		t.Errorf("f3().a[1]=%d, want 92\n", v)
	}
	if v := f4().a[1]; v != 92 {
		t.Errorf("f4().a[1]=%d, want 92\n", v)
	}
	if v := f5(); v != 92 {
		t.Errorf("f5()=%d, want 92\n", v)
	}
}

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Editing: namedReturn_test.go

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