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escape.go
escape2.go
escape2n.go
escape3.go
escape4.go
escape5.go
escape_array.go
escape_calls.go
escape_closure.go
escape_field.go
escape_goto.go
escape_hash_maphash.go
escape_iface.go
escape_indir.go
escape_level.go
escape_map.go
escape_mutations.go
escape_param.go
escape_reflect.go
escape_runtime_atomic.go
escape_selfassign.go
escape_slice.go
escape_struct_param1.go
escape_struct_param2.go
escape_struct_return.go
escape_sync_atomic.go
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float_lit2.go
float_lit3.go
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goto.go
heapsampling.go
helloworld.go
helloworld.out
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import.go
import1.go
import2.go
import4.go
import5.go
import6.go
index.go
index0.go
index1.go
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indirect.go
indirect1.go
init.go
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initcomma.go
initexp.go
initialize.go
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nowritebarrier.go
nul1.go
opt_branchlikely.go
parentype.go
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print.out
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printbig.out
prove.go
prove_constant_folding.go
prove_invert_loop_with_unused_iterators.go
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recover1.go
recover2.go
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recover4.go
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reflectmethod1.go
reflectmethod2.go
reflectmethod3.go
reflectmethod4.go
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rename.go
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reorder.go
reorder2.go
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simassign.go
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slicecap.go
sliceopt.go
solitaire.go
stack.go
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stackobj2.go
stackobj3.go
strcopy.go
strength.go
string_lit.go
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struct0.go
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tinyfin.go
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turing.go
typecheck.go
typecheckloop.go
typeswitch.go
typeswitch1.go
typeswitch2.go
typeswitch2b.go
typeswitch3.go
uintptrescapes.go
uintptrescapes2.go
uintptrescapes3.go
uintptrkeepalive.go
undef.go
unsafe_slice_data.go
unsafe_string.go
unsafe_string_data.go
unsafebuiltins.go
used.go
utf.go
varerr.go
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zerosize.go
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codereview.cfg
go.env
ff3ae455d9
Cherry pointed out this case in review for CL 136496. That CL was slightly too aggressive, and I likely would have made the same mistake if I tried it myself. Updates #27772. Change-Id: I1fafabb9f8d9aba0494aa71333a4e17cf1bac5c8 Reviewed-on: https://go-review.googlesource.com/c/go/+/172421 Run-TryBot: Matthew Dempsky <mdempsky@google.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Cherry Zhang <cherryyz@google.com>
33 lines
538 B
Go
33 lines
538 B
Go
// errorcheck -0 -m -l
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// Copyright 2019 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// Test escape analysis for self assignments.
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package escape
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type S struct {
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i int
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pi *int
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}
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var sink S
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func f(p *S) { // ERROR "leaking param: p"
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p.pi = &p.i
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sink = *p
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}
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// BAD: "leaking param: p" is too conservative
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func g(p *S) { // ERROR "leaking param: p"
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p.pi = &p.i
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}
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func h() {
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var s S // ERROR "moved to heap: s"
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g(&s)
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sink = s
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}
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