runtime:cpu2: TestTracebackSystem/trap failures

[gopherbot]

#!watchflakes
default <- pkg == "runtime:cpu2" && test == "TestTracebackSystem/trap"

Issue created automatically to collect these failures.

Example (log):

=== RUN   TestTracebackSystem/trap
    traceback_system_test.go:181: stderr:
        
        stdout: 
    traceback_system_test.go:186: child process did not produce a crash report
--- FAIL: TestTracebackSystem/trap (0.00s)

— watchflakes

[gopherbot]

Found new dashboard test flakes for:

#!watchflakes
default <- pkg == "runtime:cpu2" && test == "TestTracebackSystem/trap"

2025-06-13 16:04 gotip-openbsd-ppc64 go@683810a3 runtime:cpu2.TestTracebackSystem/trap (log)

=== RUN   TestTracebackSystem/trap
    traceback_system_test.go:181: stderr:
        
        stdout: 
    traceback_system_test.go:186: child process did not produce a crash report
--- FAIL: TestTracebackSystem/trap (0.00s)

— watchflakes