Add wasm-ld to help text Improve error text

Differential Revision: https://reviews.llvm.org/D48838

llvm-svn: 337300

lld/tools/lld/lld.cpp

@@ -138,6 +138,7 @@ int main(int Argc, const char **Argv) {
     return !wasm::link(Args, canExitEarly());
   default:
     die("lld is a generic driver.\n"
-        "Invoke ld.lld (Unix), ld64.lld (macOS) or lld-link (Windows) instead.");
+        "Invoke ld.lld (Unix), ld64.lld (macOS), lld-link (Windows), wasm-lld"
+        " (WebAssembly) instead");
   }
 }