runtime: TestCgoPprofCallback failures

[gopherbot]

#!watchflakes
post <- pkg == "runtime" && test == "TestCgoPprofCallback"

Bug automatically created to track these flakes.

— watchflakes

[gopherbot]

Found new matching flaky dashboard failures for:

#!watchflakes
post <- pkg == "runtime" && test == "TestCgoPprofCallback"

2022-08-26 18:09 linux-arm-aws go@62125c9b runtime.TestCgoPprofCallback (log)

--- FAIL: TestCgoPprofCallback (120.02s)
    testenv.go:468: [/workdir/tmp/go-build2758614898/testprogcgo.exe CgoPprofCallback] exit status: exit status 2
    crash_cgo_test.go:228: expected "OK\n" got SIGQUIT: quit
        PC=0x838a4 m=0 sigcode=0

        goroutine 11 [running]:
        	goroutine running on other thread; stack unavailable
        created by main.CgoPprofCallback
        	/workdir/go/src/runtime/testdata/testprogcgo/pprof_callback.go:77 +0x190

...
        r8      0x24ff18
        r9      0x0
        r10     0x24fae0
        fp      0x6
        ip      0x23900c
        sp      0xffbca664
        lr      0x49afc
        pc      0x838a4
        cpsr    0xa0880010
        fault   0x1

— watchflakes

[cherrymui]

Dup of #54778