From 3abf72465b1490468482133ff3e000c18e6f6091 Mon Sep 17 00:00:00 2001
From: Arthur Cohen <arthur.cohen@embecosm.com>
Date: Tue, 26 Nov 2024 16:34:37 +0000
Subject: [PATCH] stacked-contexts: Add peek() method

gcc/rust/ChangeLog:

	* util/rust-stacked-contexts.h: Add new method to see what context we are currently in.
---
 gcc/rust/util/rust-stacked-contexts.h | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/gcc/rust/util/rust-stacked-contexts.h b/gcc/rust/util/rust-stacked-contexts.h
index 86cdf9f88d2a..d537d6ec451b 100644
--- a/gcc/rust/util/rust-stacked-contexts.h
+++ b/gcc/rust/util/rust-stacked-contexts.h
@@ -71,6 +71,13 @@ template <typename T> class StackedContexts
     return last;
   }
 
+  const T &peek ()
+  {
+    rust_assert (!stack.empty ());
+
+    return stack.back ();
+  }
+
   /**
    * Are we currently inside of a special context?
    */