runtime: TestGdbCoreSignalBacktrace fails when run outside of all.bash #61487
Description
What version of Go are you using (go version)?
This is the current git tip:
$ go version go version devel go1.22-57e2eb64eb Thu Jul 20 20:54:38 2023 +0000 linux/amd64
Does this issue reproduce with the latest release?
No. This doesn't happen with a 'git checkout go1.20.6', building that Go, and then running go test -short std cmd.
What operating system and processor architecture are you using (go env)?
go env Output
$ go env GO111MODULE='' GOARCH='amd64' GOBIN='' GOCACHE='/home/cks/.cache/go-build' GOENV='/home/cks/.config/go/env' GOEXE='' GOEXPERIMENT='' GOFLAGS='' GOHOSTARCH='amd64' GOHOSTOS='linux' GOINSECURE='' GOMODCACHE='/home/cks/go/pkg/mod' GONOPROXY='' GONOSUMDB='' GOOS='linux' GOPATH='/home/cks/go' GOPRIVATE='' GOPROXY='https://proxy.golang.org,direct' GOROOT='/w/620/cks/go' GOSUMDB='sum.golang.org' GOTMPDIR='' GOTOOLCHAIN='auto' GOTOOLDIR='/w/620/cks/go/pkg/tool/linux_amd64' GOVCS='' GOVERSION='devel go1.22-57e2eb64eb Thu Jul 20 20:54:38 2023 +0000' GCCGO='gccgo' GOAMD64='v1' AR='ar' CC='gcc' CXX='g++' CGO_ENABLED='1' GOMOD='/w/620/cks/go/src/go.mod' GOWORK='' CGO_CFLAGS='-O2 -g' CGO_CPPFLAGS='' CGO_CXXFLAGS='-O2 -g' CGO_FFLAGS='-O2 -g' CGO_LDFLAGS='-O2 -g' PKG_CONFIG='pkg-config' GOGCCFLAGS='-fPIC -m64 -pthread -Wl,--no-gc-sections -fmessage-length=0 -ffile-prefix-map=/tmp/go-build1776540564=/tmp/go-build -gno-record-gcc-switches'
This is on an up to date Ubuntu 22.04 LTS Linux server, on amd64.
What did you do?
In a git tip clone, run ./all.bash, which will succeed. Then run go test -short std cmd, which will report various things and eventually a FAIL for TestGdbCoreSignalBacktrace, although it will print a bunch of ?s and other things that may be the sign of additional problems. I'm attaching the full 'go test' output rather than trying to cut it down but omit something that turns out to matter.
This may be somehow related to #61484.