cmd/link: TestRandLayout failures

[gopherbot]

#!watchflakes
default <- pkg == "cmd/link" && test == "TestRandLayout"

Issue created automatically to collect these failures.

Example (log):

=== RUN   TestRandLayout
=== PAUSE TestRandLayout
=== CONT  TestRandLayout
    link_test.go:1580: seed=123: fail to run "go tool nm": exit status 1
        go tool nm: fork/exec /home/swarming/.swarming/w/ir/x/w/gocache/0b/0b2fad296cea7a87c53b7d3919f60796e74ead9ca7a808208d59f49865860744-d/nm: text file busy
--- FAIL: TestRandLayout (1.74s)

— watchflakes

[gopherbot]

Found new dashboard test flakes for:

#!watchflakes
default <- pkg == "cmd/link" && test == "TestRandLayout"

2025-08-13 22:06 gotip-linux-amd64-greenteagc go@de9b6f98 cmd/link.TestRandLayout (log)

=== RUN   TestRandLayout
=== PAUSE TestRandLayout
=== CONT  TestRandLayout
    link_test.go:1580: seed=123: fail to run "go tool nm": exit status 1
        go tool nm: fork/exec /home/swarming/.swarming/w/ir/x/w/gocache/0b/0b2fad296cea7a87c53b7d3919f60796e74ead9ca7a808208d59f49865860744-d/nm: text file busy
--- FAIL: TestRandLayout (1.74s)

— watchflakes