Add support of the next Ubuntu (Ubuntu 23.04 - Lunar Lobster)

Author: sylvestre

clang/include/clang/Driver/Distro.h

@@ -76,6 +76,7 @@ class Distro {
     UbuntuImpish,
     UbuntuJammy,
     UbuntuKinetic,
+    UbuntuLunar,
     UnknownDistro
   };
 
@@ -127,7 +128,7 @@ class Distro {
   }
 
   bool IsUbuntu() const {
-    return DistroVal >= UbuntuHardy && DistroVal <= UbuntuKinetic;
+    return DistroVal >= UbuntuHardy && DistroVal <= UbuntuLunar;
   }
 
   bool IsAlpineLinux() const { return DistroVal == AlpineLinux; }

clang/lib/Driver/Distro.cpp

@@ -92,6 +92,7 @@ static Distro::DistroType DetectLsbRelease(llvm::vfs::FileSystem &VFS) {
                     .Case("impish", Distro::UbuntuImpish)
                     .Case("jammy", Distro::UbuntuJammy)
                     .Case("kinetic", Distro::UbuntuKinetic)
+                    .Case("lunar", Distro::UbuntuLunar)
                     .Default(Distro::UnknownDistro);
   return Version;
 }