[Bug other/101166] New: Add SPDX license identifiers

[dje at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101166

            Bug ID: 101166
           Summary: Add SPDX license identifiers
           Product: gcc
           Version: 12.0
            Status: UNCONFIRMED
          Severity: enhancement
          Priority: P3
         Component: other
          Assignee: unassigned at gcc dot gnu.org
          Reporter: dje at gcc dot gnu.org
  Target Milestone: ---

Add appropriate SPDX license identifiers to GCC source code files.

https://spdx.org/licenses/