[gcc r14-7896] gccrs: [E0658] Unstable langauge feature

[Arthur Cohen]

https://gcc.gnu.org/g:a60bafec5a093a19d81000468789c153d0112db8

commit r14-7896-ga60bafec5a093a19d81000468789c153d0112db8
Author: Muhammad Mahad <mahadtxt@gmail.com>
Date:   Wed Aug 9 00:27:08 2023 +0500

    gccrs: [E0658] Unstable langauge feature
    
    gcc/rust/ChangeLog:
    
            * checks/errors/rust-const-checker.cc (ConstChecker::visit):
            Use of mutable reference in constant functions.
            * checks/errors/rust-feature-gate.cc (FeatureGate::gate):
            ErrorCode for intrinsics are subject to change.
    
    Signed-off-by: Muhammad Mahad <mahadtxt@gmail.com>

Diff:
---
 gcc/rust/checks/errors/rust-const-checker.cc | 2 +-
 gcc/rust/checks/errors/rust-feature-gate.cc  | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/gcc/rust/checks/errors/rust-const-checker.cc b/gcc/rust/checks/errors/rust-const-checker.cc
index e7e2bf781fc..03b8f6a7c20 100644
--- a/gcc/rust/checks/errors/rust-const-checker.cc
+++ b/gcc/rust/checks/errors/rust-const-checker.cc
@@ -862,7 +862,7 @@ void
 ConstChecker::visit (ReferenceType &type)
 {
   if (const_context.is_in_context () && type.is_mut ())
-    rust_error_at (type.get_locus (),
+    rust_error_at (type.get_locus (), ErrorCode::E0658,
 		   "mutable references are not allowed in constant functions");
 }
 
diff --git a/gcc/rust/checks/errors/rust-feature-gate.cc b/gcc/rust/checks/errors/rust-feature-gate.cc
index 11f6675b470..0f6b6c06582 100644
--- a/gcc/rust/checks/errors/rust-feature-gate.cc
+++ b/gcc/rust/checks/errors/rust-feature-gate.cc
@@ -86,7 +86,7 @@ FeatureGate::gate (Feature::Name name, location_t loc,
 	{
 	  const char *fmt_str
 	    = "%s. add `#![feature(%s)]` to the crate attributes to enable.";
-	  rust_error_at (loc, fmt_str, error_msg.c_str (),
+	  rust_error_at (loc, ErrorCode::E0658, fmt_str, error_msg.c_str (),
 			 feature.as_string ().c_str ());
 	}
     }