[gcc/devel/rust/master] Add a new regression test

[Thomas Schwinge via Gcc-cvs]

https://gcc.gnu.org/g:a5edbe7783225c086d566edefb74187a5c61d1ed

commit a5edbe7783225c086d566edefb74187a5c61d1ed
Author: Pierre-Emmanuel Patry <pierre-emmanuel.pa...@embecosm.com>
Date:   Mon Oct 23 13:22:11 2023 +0200

    Add a new regression test
    
    This new test highlight the behavior of the new parser and it's ability
    to parse variadic rust functions.
    
    gcc/testsuite/ChangeLog:
    
            * rust/compile/parse_variadic_function.rs: New test.
    
    Signed-off-by: Pierre-Emmanuel Patry <pierre-emmanuel.pa...@embecosm.com>

Diff:
---
 gcc/testsuite/rust/compile/parse_variadic_function.rs | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/gcc/testsuite/rust/compile/parse_variadic_function.rs 
b/gcc/testsuite/rust/compile/parse_variadic_function.rs
new file mode 100644
index 000000000000..bef111974704
--- /dev/null
+++ b/gcc/testsuite/rust/compile/parse_variadic_function.rs
@@ -0,0 +1,4 @@
+fn main() {}
+
+#[cfg(FALSE)]
+fn variadic(x: isize, ...) {}