llvmPackages_14: init at 2022-01-07

This is a temporary hack until I have time to update the patches for
14.0.0-rc1. We need llvmPackages_14 *NOW* for Chromium M99.

pkgs/development/compilers/llvm/14/default.nix

@@ -19,7 +19,7 @@
 
 let
   release_version = "14.0.0";
-  candidate = ""; # empty or "rcN"
+  candidate = "rc0"; # empty or "rcN"
   dash-candidate = lib.optionalString (candidate != "") "-${candidate}";
   rev = "fb1582f6c54422995c6fb61ba4c55126b357f64e"; # When using a Git commit
   rev-version = "unstable-2022-01-07"; # When using a Git commit

pkgs/top-level/all-packages.nix

@@ -11837,6 +11837,7 @@ with pkgs;
     };
   };
 
+  clang_14 = llvmPackages_14.clang;
   clang_13 = llvmPackages_13.clang;
   clang_12 = llvmPackages_12.clang;
   clang_11 = llvmPackages_11.clang;
@@ -12779,6 +12780,7 @@ with pkgs;
   lld_11 = llvmPackages_11.lld;
   lld_12 = llvmPackages_12.lld;
   lld_13 = llvmPackages_13.lld;
+  lld_14 = llvmPackages_14.lld;
 
   lldb = llvmPackages_latest.lldb;
   lldb_5 = llvmPackages_5.lldb;
@@ -12790,11 +12792,13 @@ with pkgs;
   lldb_11 = llvmPackages_11.lldb;
   lldb_12 = llvmPackages_12.lldb;
   lldb_13 = llvmPackages_13.lldb;
+  lldb_14 = llvmPackages_14.lldb;
 
   llvm = llvmPackages.llvm;
   libllvm = llvmPackages.libllvm;
   llvm-manpages = llvmPackages.llvm-manpages;
 
+  llvm_14 = llvmPackages_14.llvm;
   llvm_13 = llvmPackages_13.llvm;
   llvm_12 = llvmPackages_12.llvm;
   llvm_11 = llvmPackages_11.llvm;
@@ -12884,6 +12888,14 @@ with pkgs;
     stdenv = gcc7Stdenv;
   }));
 
+  llvmPackages_14 = recurseIntoAttrs (callPackage ../development/compilers/llvm/14 ({
+    inherit (stdenvAdapters) overrideCC;
+    buildLlvmTools = buildPackages.llvmPackages_14.tools;
+    targetLlvmLibraries = targetPackages.llvmPackages_14.libraries or llvmPackages_14.libraries;
+  } // lib.optionalAttrs (stdenv.hostPlatform.isi686 && buildPackages.stdenv.cc.isGNU) {
+    stdenv = gcc7Stdenv;
+  }));
+
   llvmPackages_latest = llvmPackages_13;
 
   llvmPackages_rocm = recurseIntoAttrs (callPackage ../development/compilers/llvm/rocm { });