Is there a setup for writing and running as part of the test suite unit tests that exercise internal GCC functions like error and warning? I ask because of a couple of bugs that were recently reported for the %s directive in GCC's diagnostics (81859 and 81586) that were only caught by running valgrind on GCC, but that could have been caught by GCC's own tests for these APIs if they existed.
I can't find any except some in the gcc.dg/plugin directory (though they weren't written to exercise the functions but rather the plugin interface). Would adding a plugin for this sort of thing be the right way to do it? Thanks Martin
