llvm7-7.0.1-3.16.1

- Fix dsymutil crash on ELF file. (bsc#1176964)
  * llvm-fix-a-copy-and-paste-error-that-would-cause-a-crash.patch
- Add fix-ppcle64-build.patch to fix ppc64le build.
- Add compiler-rt-sanitizer-ipc-perm.patch to fix build in the SP3 tree
- Change Provides/Conflicts to be versioned like in factory and required
  for newer llvm packages.
- Add Conflicts: clang-tools to clang7 and llvm7 packages to properly
  handle newer llvm versions.  (bsc#1179155)

- llvm_build_tablegen_component_as_shared_library.patch
  * Build TableGen component as its own shared library because it
    is not included in the libLLVM library and is needed for ldc.
    (bsc#1086445)

- Add patch Fix-big-endian-miscompile-of-bitcast-zex.patch
  to fix miscompilations with rustc 1.43 that lead to LTO failures
  (bsc#1173202)

- Backport fixes and changes from Factory.  [bsc#1197775]
- Drop RUNPATH from packaged binaries, instead set LD_LIBRARY_PATH
  for building and testing to simulate behavior of actual package.
- BuildRequires: python-rpm-macros to fix Leap 15.3 build.
- Add compiler-rt-Remove-cyclades-inclusion-in-sanitizer.patch:
  Fix build with linux-glibc-devel 5.13.