[Bug testsuite/104023] Bulk rename of C++ test files to one filename extension ?

[rguenth at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104023

--- Comment #2 from Richard Biener <rguenth at gcc dot gnu.org> ---
it depends on the specific sub-harness which suffix is included in the globs
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