cmd/go: TestScript/cgo_long_cmd failures

[gopherbot]

#!watchflakes
default <- pkg == "cmd/go" && test == "TestScript/cgo_long_cmd"

Issue created automatically to collect these failures.

Example (log):

=== RUN   TestScript/cgo_long_cmd
=== PAUSE TestScript/cgo_long_cmd
=== CONT  TestScript/cgo_long_cmd
    script_test.go:139: 2024-09-27T19:29:36Z
    script_test.go:141: $WORK=/home/swarming/.swarming/w/ir/x/t/cmd-go-test-3329550913/tmpdir263970715/cgo_long_cmd2600984664
    script_test.go:163: 
        PATH=/home/swarming/.swarming/w/ir/x/t/cmd-go-test-3329550913/tmpdir263970715/testbin:/home/swarming/.swarming/w/ir/x/w/goroot/bin:/home/swarming/.swarming/w/ir/x/w/goroot/bin:/home/swarming/.swarming/w/ir/x/w/goroot/bin:/home/swarming/.swarming/w/ir/cache/tools/bin:/home/swarming/.swarming/w/ir/bbagent_utility_packages:/home/swarming/.swarming/w/ir/bbagent_utility_packages/bin:/home/swarming/.swarming/w/ir/cipd_bin_packages:/home/swarming/.swarming/w/ir/cipd_bin_packages/bin:/home/swarming/.swarming/w/ir/cache/cipd_client:/home/swarming/.swarming/w/ir/cache/cipd_client/bin:/home/swarming/.swarming/cipd_cache/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
        HOME=/no-home
        CCACHE_DISABLE=1
        GOARCH=ppc64le
...
        [condition not met]
        # Generate a file with a very long #cgo LDFLAGS line.
        # This used to cause "go build" to fail with "argument list too long". (0.336s)
        > go generate
        # Build with the generated file. (0.281s)
        > go build
        [stderr]
        cgolongcmd: invalid flag in #cgo LDFLAGS: 
    script_test.go:163: FAIL: testdata/script/cgo_long_cmd.txt:12: go build: exit status 1
--- FAIL: TestScript/cgo_long_cmd (0.62s)

— watchflakes

[gopherbot]

Found new dashboard test flakes for:

#!watchflakes
default <- pkg == "cmd/go" && test == "TestScript/cgo_long_cmd"

2024-09-27 19:20 gotip-linux-ppc64le_power10 go@62452bed cmd/go.TestScript/cgo_long_cmd (log)

=== RUN   TestScript/cgo_long_cmd
=== PAUSE TestScript/cgo_long_cmd
=== CONT  TestScript/cgo_long_cmd
    script_test.go:139: 2024-09-27T19:29:36Z
    script_test.go:141: $WORK=/home/swarming/.swarming/w/ir/x/t/cmd-go-test-3329550913/tmpdir263970715/cgo_long_cmd2600984664
    script_test.go:163: 
        PATH=/home/swarming/.swarming/w/ir/x/t/cmd-go-test-3329550913/tmpdir263970715/testbin:/home/swarming/.swarming/w/ir/x/w/goroot/bin:/home/swarming/.swarming/w/ir/x/w/goroot/bin:/home/swarming/.swarming/w/ir/x/w/goroot/bin:/home/swarming/.swarming/w/ir/cache/tools/bin:/home/swarming/.swarming/w/ir/bbagent_utility_packages:/home/swarming/.swarming/w/ir/bbagent_utility_packages/bin:/home/swarming/.swarming/w/ir/cipd_bin_packages:/home/swarming/.swarming/w/ir/cipd_bin_packages/bin:/home/swarming/.swarming/w/ir/cache/cipd_client:/home/swarming/.swarming/w/ir/cache/cipd_client/bin:/home/swarming/.swarming/cipd_cache/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
        HOME=/no-home
        CCACHE_DISABLE=1
        GOARCH=ppc64le
...
        [condition not met]
        # Generate a file with a very long #cgo LDFLAGS line.
        # This used to cause "go build" to fail with "argument list too long". (0.336s)
        > go generate
        # Build with the generated file. (0.281s)
        > go build
        [stderr]
        cgolongcmd: invalid flag in #cgo LDFLAGS: 
    script_test.go:163: FAIL: testdata/script/cgo_long_cmd.txt:12: go build: exit status 1
--- FAIL: TestScript/cgo_long_cmd (0.62s)

— watchflakes