syscall: TestInvalidExec failures

[gopherbot]

#!watchflakes
default <- pkg == "syscall" && test == "TestInvalidExec"

Issue created automatically to collect these failures.

Example (log):

=== RUN   TestInvalidExec
=== PAUSE TestInvalidExec

— watchflakes

[gopherbot]

Found new dashboard test flakes for:

#!watchflakes
default <- pkg == "syscall" && test == "TestInvalidExec"

2025-09-25 15:01 gotip-openbsd-amd64 go@81a83bba syscall.TestInvalidExec [SKIP] (log)

=== RUN   TestInvalidExec
=== PAUSE TestInvalidExec

2025-09-26 16:04 gotip-openbsd-amd64 go@41cba31e syscall.TestInvalidExec [SKIP] (log)

=== RUN   TestInvalidExec
=== PAUSE TestInvalidExec

2025-09-26 17:15 gotip-darwin-amd64_14 go@4631a2d3 syscall.TestInvalidExec [SKIP] (log)

=== RUN   TestInvalidExec
=== PAUSE TestInvalidExec

— watchflakes