From 3d1d8c767be5537eb5510ee0522e2f3475fe7c04 Mon Sep 17 00:00:00 2001
From: Krasimir Georgiev <krasimir@google.com>
Date: Mon, 15 Nov 2021 21:40:37 +0100
Subject: [PATCH] [llvm] adapt DWARFExpression.h for
 6b9b86db9dd974585a5c71cf2e5231d1e3385f7c

No functional changes intended.

Updated the iterator class for https://github.com/llvm/llvm-project/commit/6b9b86db9dd974585a5c71cf2e5231d1e3385f7c.

Differential Revision: https://reviews.llvm.org/D113934
---
 llvm/include/llvm/DebugInfo/DWARF/DWARFExpression.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/llvm/include/llvm/DebugInfo/DWARF/DWARFExpression.h b/llvm/include/llvm/DebugInfo/DWARF/DWARFExpression.h
index 1bb4a311be18..dc575265d816 100644
--- a/llvm/include/llvm/DebugInfo/DWARF/DWARFExpression.h
+++ b/llvm/include/llvm/DebugInfo/DWARF/DWARFExpression.h
@@ -107,7 +107,7 @@ public:
     friend class DWARFExpression;
     const DWARFExpression *Expr;
     uint64_t Offset;
-    Operation Op;
+    mutable Operation Op;
     iterator(const DWARFExpression *Expr, uint64_t Offset)
         : Expr(Expr), Offset(Offset) {
       Op.Error =
@@ -124,7 +124,7 @@ public:
       return Op;
     }
 
-    class Operation &operator*() {
+    class Operation &operator*() const {
       return Op;
     }