[gcc/devel/rust/master] issue #1233: Do not rely on the endianness for testing

[gcc/devel/rust/master] issue #1233: Do not rely on the endianness for testing

[Thomas Schwinge]

https://gcc.gnu.org/g:6c0be4876868d4afcff4acc507cf136abd066bb0

commit 6c0be4876868d4afcff4acc507cf136abd066bb0
Author: Arthur Cohen <arthur.cohen@embecosm.com>
Date:   Wed May 18 09:43:04 2022 +0200

    issue #1233: Do not rely on the endianness for testing
    
    This testcase uncovered a very interesting bug requiring a refactor of
    our `AST::Block` class (#1253), but should still be fixed/adapted in the
    meantime so that the BE builds on our buildbot do not fail.

Diff:
---
 gcc/testsuite/rust/compile/macro-issue1233.rs | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/gcc/testsuite/rust/compile/macro-issue1233.rs b/gcc/testsuite/rust/compile/macro-issue1233.rs
index d762bb7fb9e..7fab787b9e8 100644
--- a/gcc/testsuite/rust/compile/macro-issue1233.rs
+++ b/gcc/testsuite/rust/compile/macro-issue1233.rs
@@ -1,15 +1,15 @@
-// { dg-additional-options "-w" }
+// { dg-additional-options "-frust-cfg=A -w" }
 
 macro_rules! impl_uint {
     ($($ty:ident = $lang:literal),*) => {
         $(
             impl $ty {
                 pub fn to_le(self) -> Self {
-                    #[cfg(not(target_endian = "little"))]
+                    #[cfg(not(A))]
                     {
                         self
                     }
-                    #[cfg(target_endian = "little")]
+                    #[cfg(A)]
                     {
                         self
                     }