x/tools/go/ssa: TestEnclosingFunction/Function_literal failures

[gopherbot]

#!watchflakes
default <- pkg == "golang.org/x/tools/go/ssa" && test == "TestEnclosingFunction/Function_literal"

Issue created automatically to collect these failures.

Example (log):

=== RUN   TestEnclosingFunction/Function_literal
    testutil_test.go:117: couldn't run 'go': fork/exec /home/swarming/.swarming/w/ir/x/w/goroot/bin/go: bad address
--- FAIL: TestEnclosingFunction/Function_literal (0.69s)

— watchflakes

[gopherbot]

Found new dashboard test flakes for:

#!watchflakes
default <- pkg == "golang.org/x/tools/go/ssa" && test == "TestEnclosingFunction/Function_literal"

2025-01-27 04:28 x_tools-go1.24-netbsd-arm tools@edafbe5d release-branch.go1.24@8a4c24f9 x/tools/go/ssa.TestEnclosingFunction/Function_literal (log)

=== RUN   TestEnclosingFunction/Function_literal
    testutil_test.go:117: couldn't run 'go': fork/exec /home/swarming/.swarming/w/ir/x/w/goroot/bin/go: bad address
--- FAIL: TestEnclosingFunction/Function_literal (0.69s)

— watchflakes

[adonovan]

Dup of #71457