gccrs: Add a simple no-op test for asm!

gcc/testsuite/ChangeLog:

	* rust/compile/inline_asm_nop.rs: Simple test for asm!

diff --git a/gcc/testsuite/rust/compile/inline_asm_nop.rs b/gcc/testsuite/rust/compile/inline_asm_nop.rs
new file mode 100644 (file)
index 0000000..ffe3161
--- /dev/null
+++ b/gcc/testsuite/rust/compile/inline_asm_nop.rs
@@ -0,0 +1,10 @@
+#![feature(rustc_attrs)]
+
+#[rustc_builtin_macro]
+macro_rules! asm {
+    () => {}
+}
+
+fn main() {
+    asm!("nop");
+}