cmd/cgo/internal/testplugin: TestIssue25756/15 failures

[gopherbot]

#!watchflakes
default <- pkg == "cmd/cgo/internal/testplugin" && test == "TestIssue25756/15"

Issue created automatically to collect these failures.

Example (log):

=== RUN   TestIssue25756/15
=== PAUSE TestIssue25756/15
=== CONT  TestIssue25756/15
( GOPATH=$TMPDIR PWD=$TMPDIR/src/testplugin LD_LIBRARY_PATH=$TMPDIR/src/testplugin ./issue25756.exe )
    plugin_test.go:309: `./issue25756.exe`: signal: segmentation fault
--- FAIL: TestIssue25756/15 (0.12s)

— watchflakes

[gopherbot]

Found new dashboard test flakes for:

#!watchflakes
default <- pkg == "cmd/cgo/internal/testplugin" && test == "TestIssue25756/15"

2026-05-20 15:53 gotip-linux-riscv64 go@4136ffed cmd/cgo/internal/testplugin.TestIssue25756/15 (log)

=== RUN   TestIssue25756/15
=== PAUSE TestIssue25756/15
=== CONT  TestIssue25756/15
( GOPATH=$TMPDIR PWD=$TMPDIR/src/testplugin LD_LIBRARY_PATH=$TMPDIR/src/testplugin ./issue25756.exe )
    plugin_test.go:309: `./issue25756.exe`: signal: segmentation fault
--- FAIL: TestIssue25756/15 (0.12s)

— watchflakes