Doc improvement

lib/compilers/clang.ts

@@ -155,10 +155,14 @@ export class ClangCompiler extends BaseCompiler {
         return this.forceDwarf4UnlessOverridden(options);
     }
 
-    // Cross-compiling for clang with -stdlib=libc++ is currently (at least up to 18.1.0) broken:
+    // Clang cross-compile with -stdlib=libc++ is currently (up to at least 18.1.0) broken:
     // https://github.com/llvm/llvm-project/issues/57104
+    //
+    // To smoke-test future versions, check if this succeeds: https://godbolt.org/z/7dKrad7Wc
+    //
     // Below is a workaround discussed in CE issue #5293. If the llvm issue is ever resolved it would be best
     // to apply this only for clang versions up to the official resolution.
+
     override filterUserOptions(userOptions: string[]): string[] {
         if (
             this.lang.id === 'c++' &&