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, 1 insertions, 1 deletions

diff --git a/compiler/rustc_errors/src/json/tests.rs b/compiler/rustc_errors/src/json/tests.rs
index 4174a85204f..0f175c732c1 100644
--- a/compiler/rustc_errors/src/json/tests.rs
+++ b/compiler/rustc_errors/src/json/tests.rs
@@ -40,7 +40,7 @@ fn test_positions(code: &str, span: (u32, u32), expected_output: SpanTestData) {
         let sm = Lrc::new(SourceMap::new(FilePathMapping::empty()));
         sm.new_source_file(Path::new("test.rs").to_owned().into(), code.to_owned());
         let fallback_bundle =
-            crate::fallback_fluent_bundle().expect("failed to load fallback fluent bundle");
+            crate::fallback_fluent_bundle(false).expect("failed to load fallback fluent bundle");
 
         let output = Arc::new(Mutex::new(Vec::new()));
         let je = JsonEmitter::new(