session: opt for enabling directionality markers

Add an option for enabling and disabling Fluent's directionality
isolation markers in output. Disabled by default as these can render in
some terminals and applications.

Signed-off-by: David Wood <david.wood@huawei.com>

1 files changed, 6 insertions, 2 deletions

diff --git a/compiler/rustc_session/src/session.rs b/compiler/rustc_session/src/session.rs
index 74c0f67e633..9881046ddfa 100644
--- a/compiler/rustc_session/src/session.rs
+++ b/compiler/rustc_session/src/session.rs
@@ -1218,9 +1218,12 @@ pub fn build_session(
         &sysroot,
         sopts.debugging_opts.translate_lang.clone(),
         sopts.debugging_opts.translate_additional_ftl.as_deref(),
+        sopts.debugging_opts.translate_directionality_markers,
     )
     .expect("failed to load fluent bundle");
-    let fallback_bundle = fallback_fluent_bundle().expect("failed to load fallback fluent bundle");
+    let fallback_bundle =
+        fallback_fluent_bundle(sopts.debugging_opts.translate_directionality_markers)
+            .expect("failed to load fallback fluent bundle");
     let emitter =
         default_emitter(&sopts, registry, source_map.clone(), bundle, fallback_bundle, write_dest);
 
@@ -1455,7 +1458,8 @@ pub enum IncrCompSession {
 }
 
 fn early_error_handler(output: config::ErrorOutputType) -> rustc_errors::Handler {
-    let fallback_bundle = fallback_fluent_bundle().expect("failed to load fallback fluent bundle");
+    let fallback_bundle =
+        fallback_fluent_bundle(false).expect("failed to load fallback fluent bundle");
     let emitter: Box<dyn Emitter + sync::Send> = match output {
         config::ErrorOutputType::HumanReadable(kind) => {
             let (short, color_config) = kind.unzip();