gccrs: Add tests parsing with trailing commas inline asm

gcc/testsuite/ChangeLog:

	* rust/compile/inline_asm_nop_2.rs: New test.

diff --git a/gcc/testsuite/rust/compile/inline_asm_nop_2.rs b/gcc/testsuite/rust/compile/inline_asm_nop_2.rs
new file mode 100644 (file)
index 0000000..8437e8f
--- /dev/null
+++ b/gcc/testsuite/rust/compile/inline_asm_nop_2.rs
@@ -0,0 +1,10 @@
+#![feature(rustc_attrs)]
+
+#[rustc_builtin_macro]
+macro_rules! asm {
+    () => {}
+}
+
+fn main() {
+    asm!("nop",);
+}