x/tools/gopls/internal/test/marker: Test/callhierarchy/issue64451.txt failures

[gopherbot]

#!watchflakes
default <- pkg == "golang.org/x/tools/gopls/internal/test/marker" && test == "Test/callhierarchy/issue64451.txt"

Issue created automatically to collect these failures.

Example (log):

=== RUN   Test/callhierarchy/issue64451.txt
=== PAUSE Test/callhierarchy/issue64451.txt

— watchflakes