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runtime: add invalidptr=0 for TestGcZombieReporting 

pointers in zombies slice may cross-span, add invalidptr=0 for avoiding the badPointer check

Fixes #49613

Change-Id: Ifb1931922170e87e799e2e6081dc85dab3890205
Reviewed-on: https://go-review.googlesource.com/c/go/+/367044
Trust: Emmanuel Odeke <emmanuel@orijtech.com>
Run-TryBot: Emmanuel Odeke <emmanuel@orijtech.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Bryan C. Mills <bcmills@google.com>
Reviewed-by: Emmanuel Odeke <emmanuel@orijtech.com>
This commit is contained in:
Chaoqun Han 2021-11-25 21:16:28 +08:00 committed by Emmanuel Odeke
parent 931d80ec17
commit 5f63f168da
1 changed files with 4 additions and 1 deletions
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5
src/runtime/gc_test.go
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@ -196,7 +196,10 @@ func TestPeriodicGC(t *testing.T) {
func TestGcZombieReporting(t *testing.T) {
// This test is somewhat sensitive to how the allocator works.
got := runTestProg(t, "testprog", "GCZombie")
// Pointers in zombies slice may cross-span, thus we
// add invalidptr=0 for avoiding the badPointer check.
// See issue https://golang.org/issues/49613/
got := runTestProg(t, "testprog", "GCZombie", "GODEBUG=invalidptr=0")
want := "found pointer to free object"
if !strings.Contains(got, want) {
t.Fatalf("expected %q in output, but got %q", want, got)