[Bug testsuite/109360] New: RFE: check that generated .sarif files validate against the SARIF schema

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109360

            Bug ID: 109360
           Summary: RFE: check that generated .sarif files validate
                    against the SARIF schema
           Product: gcc
           Version: 13.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: testsuite
          Assignee: unassigned at gcc dot gnu.org
          Reporter: dmalcolm at gcc dot gnu.org
  Target Milestone: ---

Created attachment 54798
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=54798&action=edit
WIP progress patch

I have a partially-working patch to scansarif.exp that validates the .sarif
files generated by -fdiagnostics-format=sarif-file against the sarif schema.

Filing here to keep track of merging this to trunk