Meta: Prefer clang as a host compiler to gcc

Meta/serenity.sh

@@ -192,17 +192,17 @@ pick_host_compiler() {
         return
     fi
 
-    find_newest_compiler egcc gcc gcc-12 /usr/local/bin/gcc-12 /opt/homebrew/bin/gcc-12
+    find_newest_compiler clang clang-13 clang-14 clang-15 /opt/homebrew/opt/llvm/bin/clang
     if is_supported_compiler "$HOST_COMPILER"; then
         export CC="${HOST_COMPILER}"
-        export CXX="${HOST_COMPILER/gcc/g++}"
+        export CXX="${HOST_COMPILER/clang/clang++}"
         return
     fi
 
-    find_newest_compiler clang clang-13 clang-14 clang-15 /opt/homebrew/opt/llvm/bin/clang
+    find_newest_compiler egcc gcc gcc-12 /usr/local/bin/gcc-12 /opt/homebrew/bin/gcc-12
     if is_supported_compiler "$HOST_COMPILER"; then
         export CC="${HOST_COMPILER}"
-        export CXX="${HOST_COMPILER/clang/clang++}"
+        export CXX="${HOST_COMPILER/gcc/g++}"
         return
     fi