cmd/compile/internal/ssa: unrecognized failures

[gopherbot]

#!watchflakes
default <- pkg == "cmd/compile/internal/ssa" && test == ""

Issue created automatically to collect these failures.

Example (log):

FAIL	cmd/compile/internal/ssa [build failed]
cmd/compile/internal/ssa: /home/swarming/.swarming/w/ir/x/w/goroot/pkg/tool/netbsd_arm/compile: signal: killed

— watchflakes

[gopherbot]

Found new dashboard test flakes for:

#!watchflakes
default <- pkg == "cmd/compile/internal/ssa" && test == ""

2025-04-16 14:05 gotip-netbsd-arm go@5413abc4 cmd/compile/internal/ssa (log)

FAIL	cmd/compile/internal/ssa [build failed]
cmd/compile/internal/ssa: /home/swarming/.swarming/w/ir/x/w/goroot/pkg/tool/netbsd_arm/compile: signal: killed

— watchflakes

[mknyszek]

CC @golang/netbsd

[mknyszek]

Possibly an OOM.

[bsiegert]

Yes, looks like it ran out of memory and was killed.

[gopherbot]

Found new dashboard test flakes for:

#!watchflakes
default <- pkg == "cmd/compile/internal/ssa" && test == ""

2025-04-28 17:33 go1.24-darwin-amd64-race release-branch.go1.24@0ab64e2c cmd/compile/internal/ssa (log)

PASS
ok  	cmd/compile/internal/ssa	122.809s
# cmd/compile/internal/ssa
panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x1 addr=0x17 pc=0xdb629b0]

goroutine 1 gp=0xc000002380 m=2 mp=0xc00004a808 [running]:
panic({0xdee4860?, 0xe17b5d0?})
	runtime/panic.go:811 +0x168 fp=0xc010c874f8 sp=0xc010c87448 pc=0xdb5db48
runtime.panicmem(...)
...
runtime.gopark(0x33db6a81e18?, 0x3?, 0x28?, 0xa0?, 0x0?)
	runtime/proc.go:435 +0xce fp=0xc000041f38 sp=0xc000041f18 pc=0xdb5dfee
runtime.gcBgMarkWorker(0xc000102850)
	runtime/mgc.go:1423 +0xe9 fp=0xc000041fc8 sp=0xc000041f38 pc=0xdb0f9c9
runtime.gcBgMarkStartWorkers.gowrap1()
	runtime/mgc.go:1339 +0x25 fp=0xc000041fe0 sp=0xc000041fc8 pc=0xdb0f8a5
runtime.goexit({})
	runtime/asm_amd64.s:1700 +0x1 fp=0xc000041fe8 sp=0xc000041fe0 pc=0xdb65201
created by runtime.gcBgMarkStartWorkers in goroutine 1
	runtime/mgc.go:1339 +0x105

— watchflakes