cmd/internal/testdir: Test/fixedbugs/issue31573.go failures

[gopherbot]

#!watchflakes
default <- pkg == "cmd/internal/testdir" && test == "Test/fixedbugs/issue31573.go"

Issue created automatically to collect these failures.

Example (log):

=== RUN   Test/fixedbugs/issue31573.go
=== PAUSE Test/fixedbugs/issue31573.go
=== CONT  Test/fixedbugs/issue31573.go
    testdir_test.go:147: exit status 2
        /home/swarming/.swarming/w/ir/x/w/goroot/test/fixedbugs/issue31573.go:13: ... argument does not escape
        /home/swarming/.swarming/w/ir/x/w/goroot/test/fixedbugs/issue31573.go:13: new(int) does not escape
        /home/swarming/.swarming/w/ir/x/w/goroot/test/fixedbugs/issue31573.go:14: ... argument does not escape
        /home/swarming/.swarming/w/ir/x/w/goroot/test/fixedbugs/issue31573.go:14: new(int) does not escape
        /home/swarming/.swarming/w/ir/x/w/goroot/test/fixedbugs/issue31573.go:14: new(int) does not escape
        /home/swarming/.swarming/w/ir/x/w/goroot/test/fixedbugs/issue31573.go:17: []*int{} does not escape
...
        panic: inconsistent reference counts
        
        goroutine 17 gp=0xc000282000 m=3 mp=0xc000057008 [running]:
        panic({0x6694e0?, 0x86a3f0?})
        	runtime/panic.go:806 +0x18c fp=0xc00028ce58 sp=0xc00028cd98 pc=0x8da3c
        os.(*Process).handleTransientAcquire(0x0?)
        	os/exec.go:184 +0x12c fp=0xc00028ce88 sp=0xc00028ce58 pc=0x11dddc
        os.(*Process).pidfdSendSignal(0xc000182d20, 0x11)
        	os/pidfd_linux.go:122 +0x50 fp=0xc00028cf18 sp=0xc00028ce88 pc=0x124600
        os.(*Process).signal(0x0?, {0x8709f8?, 0x87d288?})
...
        runtime.selectgo(0xc000080f98, 0xc000080f80, 0x0?, 0x0, 0x0?, 0x1)
        	runtime/select.go:351 +0x7d4 fp=0xc000080f28 sp=0xc000080dd8 pc=0x693d4
        runtime.ensureSigM.func1()
        	runtime/signal_unix.go:1085 +0x1bc fp=0xc000080fc0 sp=0xc000080f28 pc=0x8860c
        runtime.goexit({})
        	runtime/asm_ppc64x.s:1022 +0x4 fp=0xc000080fc0 sp=0xc000080fc0 pc=0x95894
        created by runtime.ensureSigM in goroutine 1
        	runtime/signal_unix.go:1068 +0x118
        
--- FAIL: Test/fixedbugs/issue31573.go (0.14s)

— watchflakes

[gopherbot]

Found new dashboard test flakes for:

#!watchflakes
default <- pkg == "cmd/internal/testdir" && test == "Test/fixedbugs/issue31573.go"

2025-02-05 01:20 gotip-linux-ppc64_power8 go@a1ea78c4 cmd/internal/testdir.Test/fixedbugs/issue31573.go (log)

=== RUN   Test/fixedbugs/issue31573.go
=== PAUSE Test/fixedbugs/issue31573.go
=== CONT  Test/fixedbugs/issue31573.go
    testdir_test.go:147: exit status 2
        /home/swarming/.swarming/w/ir/x/w/goroot/test/fixedbugs/issue31573.go:13: ... argument does not escape
        /home/swarming/.swarming/w/ir/x/w/goroot/test/fixedbugs/issue31573.go:13: new(int) does not escape
        /home/swarming/.swarming/w/ir/x/w/goroot/test/fixedbugs/issue31573.go:14: ... argument does not escape
        /home/swarming/.swarming/w/ir/x/w/goroot/test/fixedbugs/issue31573.go:14: new(int) does not escape
        /home/swarming/.swarming/w/ir/x/w/goroot/test/fixedbugs/issue31573.go:14: new(int) does not escape
        /home/swarming/.swarming/w/ir/x/w/goroot/test/fixedbugs/issue31573.go:17: []*int{} does not escape
...
        panic: inconsistent reference counts
        
        goroutine 17 gp=0xc000282000 m=3 mp=0xc000057008 [running]:
        panic({0x6694e0?, 0x86a3f0?})
        	runtime/panic.go:806 +0x18c fp=0xc00028ce58 sp=0xc00028cd98 pc=0x8da3c
        os.(*Process).handleTransientAcquire(0x0?)
        	os/exec.go:184 +0x12c fp=0xc00028ce88 sp=0xc00028ce58 pc=0x11dddc
        os.(*Process).pidfdSendSignal(0xc000182d20, 0x11)
        	os/pidfd_linux.go:122 +0x50 fp=0xc00028cf18 sp=0xc00028ce88 pc=0x124600
        os.(*Process).signal(0x0?, {0x8709f8?, 0x87d288?})
...
        runtime.selectgo(0xc000080f98, 0xc000080f80, 0x0?, 0x0, 0x0?, 0x1)
        	runtime/select.go:351 +0x7d4 fp=0xc000080f28 sp=0xc000080dd8 pc=0x693d4
        runtime.ensureSigM.func1()
        	runtime/signal_unix.go:1085 +0x1bc fp=0xc000080fc0 sp=0xc000080f28 pc=0x8860c
        runtime.goexit({})
        	runtime/asm_ppc64x.s:1022 +0x4 fp=0xc000080fc0 sp=0xc000080fc0 pc=0x95894
        created by runtime.ensureSigM in goroutine 1
        	runtime/signal_unix.go:1068 +0x118
        
--- FAIL: Test/fixedbugs/issue31573.go (0.14s)

— watchflakes

[ianlancetaylor]

Same as #71564.