[Bug testsuite/116163] RFE: add a linting tool for DejaGnu tests

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116163

--- Comment #9 from Sam James <sjames at gcc dot gnu.org> ---
* Missing dg- prefix (e.g. "// { message }") or "{ require-effective* ... }"
* s/dg/do/, e.g. "{ do-do compile }"