[gcc r15-8174] gccrs: Add tests parsing with trailing commas inline asm

[Arthur Cohen via Gcc-cvs]

https://gcc.gnu.org/g:68a0a2cd79c88a9c1b243e69558b30c6af8ff918

commit r15-8174-g68a0a2cd79c88a9c1b243e69558b30c6af8ff918
Author: jjasmine <tanghocle...@gmail.com>
Date:   Tue May 21 18:06:30 2024 -0700

    gccrs: Add tests parsing with trailing commas inline asm
    
    gcc/testsuite/ChangeLog:
    
            * rust/compile/inline_asm_nop_2.rs: New test.

Diff:
---
 gcc/testsuite/rust/compile/inline_asm_nop_2.rs | 10 ++++++++++
 1 file changed, 10 insertions(+)

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
index 000000000000..8437e8fc66c3
--- /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",);
+}