feat(tests): migrate wasm-bare linker run-make to ui test

Author: JayAndJef

tests/ui/wasm/wasm-builtins-no-linker-warning.rs

@@ -0,0 +1,10 @@
+//@ only-wasm32-bare
+//@ compile-flags: -Dlinker-messages
+//@ build-pass
+/// This test checks that linker messages due to gcc lacking
+/// support for wasm32 messages are not emitted when the target
+/// is wasm32-unknown-unknown or wasm32v1-none
+
+fn main() {
+    ()
+}