From d5bc581f5db6ba5198ccec45d938422778f56bff Mon Sep 17 00:00:00 2001
From: clubby789 <jamie@hill-daniel.co.uk>
Date: Sun, 30 Apr 2023 02:20:53 +0100
Subject: Migrate `mir_transform` to translatable diagnostics

---
 compiler/rustc_errors/src/diagnostic_builder.rs | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'compiler/rustc_errors')

diff --git a/compiler/rustc_errors/src/diagnostic_builder.rs b/compiler/rustc_errors/src/diagnostic_builder.rs
index 3064d2bedbe..c8e57aa39af 100644
--- a/compiler/rustc_errors/src/diagnostic_builder.rs
+++ b/compiler/rustc_errors/src/diagnostic_builder.rs
@@ -570,6 +570,14 @@ impl<'a, G: EmissionGuarantee> DiagnosticBuilder<'a, G> {
         Some((diagnostic, handler))
     }
 
+    /// Retrieves the [`Handler`] if available
+    pub fn handler(&self) -> Option<&Handler> {
+        match self.inner.state {
+            DiagnosticBuilderState::Emittable(handler) => Some(handler),
+            DiagnosticBuilderState::AlreadyEmittedOrDuringCancellation => None,
+        }
+    }
+
     /// Buffers the diagnostic for later emission,
     /// unless handler has disabled such buffering.
     pub fn buffer(self, buffered_diagnostics: &mut Vec<Diagnostic>) {
-- 
cgit 1.4.1-3-g733a5