From 562c3467a6738aa89203f72fc1d1343e5baadf3c Mon Sep 17 00:00:00 2001
From: Zequan Wu <zequanwu@google.com>
Date: Thu, 7 Jul 2022 14:56:19 -0700
Subject: [PATCH] [LLDB] Fix aggregate-indirect-arg.cpp failure introduced by
 227dffd0b6d78154516ace45f6ed28259c7baa48

---
 lldb/source/Expression/DWARFExpressionList.cpp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/lldb/source/Expression/DWARFExpressionList.cpp b/lldb/source/Expression/DWARFExpressionList.cpp
index e13a293..68e3e8c 100644
--- a/lldb/source/Expression/DWARFExpressionList.cpp
+++ b/lldb/source/Expression/DWARFExpressionList.cpp
@@ -204,8 +204,11 @@ bool DWARFExpressionList::Evaluate(ExecutionContext *exe_ctx,
     }
     addr_t addr = pc.GetFileAddress();
     const auto *entry = m_exprs.FindEntryThatContains(addr);
-    if (!entry)
+    if (!entry) {
+      if (error_ptr)
+        error_ptr->SetErrorString("variable not available");
       return false;
+    }
     expr = entry->data;
   }
   expr.GetExpressionData(data);
-- 
2.7.4