[gcc r14-7955] gccrs: fix bug in the iterator testcase

[Arthur Cohen]

https://gcc.gnu.org/g:979b38d4bef30787cdfda445045755832e02503c

commit r14-7955-g979b38d4bef30787cdfda445045755832e02503c
Author: Philip Herron <herron.philip@googlemail.com>
Date:   Thu Aug 31 11:50:31 2023 +0100

    gccrs: fix bug in the iterator testcase
    
    gcc/testsuite/ChangeLog:
    
            * rust/compile/iterators1.rs: this should be casting to the $ty
    
    Signed-off-by: Philip Herron <herron.philip@googlemail.com>

Diff:
---
 gcc/testsuite/rust/compile/iterators1.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gcc/testsuite/rust/compile/iterators1.rs b/gcc/testsuite/rust/compile/iterators1.rs
index 33736f169d3..35fea5a0493 100644
--- a/gcc/testsuite/rust/compile/iterators1.rs
+++ b/gcc/testsuite/rust/compile/iterators1.rs
@@ -264,7 +264,7 @@ macro_rules! impl_uint {
                 }
 
                 pub fn overflowing_add(self, rhs: Self) -> (Self, bool) {
-                    let (a, b) = unsafe { intrinsics::add_with_overflow(self as i32, rhs as i32) };
+                    let (a, b) = unsafe { intrinsics::add_with_overflow(self as $ty, rhs as $ty) };
                     (a as Self, b)
                 }
             }