Merge remote-tracking branch 'origin/rawhide' into upstream-snapshot
    
    I've done some changes as well along the was to fix some failing tests
    
    By Jesus Checa Hidalgo (18) and others
    Via Fedora Release Engineering (1) and Serge Guelton (1)
    * origin/rawhide: (65 commits)
      Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild
      Update to LLVM 15.0.7
      Fix resource-filesystem ownership conflict
      Omit frame pointers when building
      Pass -vv to lit
      Remove abi_revision handling
      Add clang-devel dep to python3-clang
      Use -mabi=ieeelongdouble in ELN
      Backport patches for ucrt64 toolchain detection
      explicitly define directories for compat builds
      Update to LLVM 15.0.6
      build-gating.fmf: add brp-llvm-compile-lto-elf test from redhat-rpm-config to gating test plan
      Build test deps separately to avoid LD_LIBRARY_PATH interference
      Update to LLVM 15.0.4
      Enable ieeelongdouble for ppc64le, fix rhbz#2136099
      Default to non-pie, fix rhbz#2134146
      Package clang-tidy headers in clang-tools-extra-devel, fix rhbz#2123479
      Add patch for inline builtins with asm label
      Improve integration of llvm's libunwind
      Migrate tests to tests/clang repo
      ...