cmd/compile: failures with signal: killed on ppc64le builders

[gopherbot]

#!watchflakes
post <- goarch ~ `ppc64.*` && log ~ `compile: signal: killed` && date < "2023-11-14"

Issue created automatically to collect these failures.

Example (log):

cmd/compile/internal/ssa: /workdir/go/pkg/tool/linux_ppc64le/compile: signal: killed
go tool dist: FAILED: /workdir/go/pkg/tool/linux_ppc64le/go_bootstrap install cmd: exit status 1

— watchflakes

[gopherbot]

Found new dashboard test flakes for:

#!watchflakes
default <- repo == "go" && section == "Building packages and commands for linux/ppc64le." && test == ""

2023-11-10 21:25 linux-ppc64le-buildlet go@31887586 (log)

cmd/compile/internal/ssa: /workdir/go/pkg/tool/linux_ppc64le/compile: signal: killed
go tool dist: FAILED: /workdir/go/pkg/tool/linux_ppc64le/go_bootstrap install cmd: exit status 1

— watchflakes

[bcmills]

attn @golang/ppc64

[bcmills]

@mknyszek, is this a duplicate of #64067?

[laboger]

@pmur had to kill some hanging processes due to the system stack issue.

[bcmills]

Added a date restriction to the watchflakes pattern and closing as resolved by https://go.dev/cl/541635.

[gopherbot]

Found new dashboard test flakes for:

#!watchflakes
post <- goarch ~ `ppc64.*` && log ~ `compile: signal: killed` && date < "2023-11-14"

2023-10-11 21:58 linux-ppc64le-buildlet text@6c97a165 go@8da6405e (log)

FAIL

2023-10-11 21:58 linux-ppc64le-power10osu text@6c97a165 go@31887586 (log)

FAIL

2023-10-11 21:58 linux-ppc64le-power10osu text@6c97a165 go@ea14b633 (log)

FAIL

2023-10-11 21:58 linux-ppc64le-power10osu text@6c97a165 go@3b303fa9 (log)

FAIL

2023-11-10 15:51 linux-ppc64le-power9osu go@3b303fa9 (log)

cmd/compile/internal/ssa: /workdir/go/pkg/tool/linux_ppc64le/compile: signal: killed
go tool dist: FAILED: /workdir/go/pkg/tool/linux_ppc64le/go_bootstrap install -a cmd/asm cmd/cgo cmd/compile cmd/link: exit status 1

— watchflakes