1 files changed, 12 insertions, 11 deletions
diff --git a/lldb/source/Target/RegisterContextUnwind.cpp b/lldb/source/Target/RegisterContextUnwind.cpp
index e2d712cb72ea..95e8abd763d5 100644
--- a/lldb/source/Target/RegisterContextUnwind.cpp
+++ b/lldb/source/Target/RegisterContextUnwind.cpp
@@ -1661,12 +1661,14 @@ RegisterContextUnwind::SavedLocationForRegister(
         unwindplan_registerkind);
     Value cfa_val = Scalar(m_cfa);
     cfa_val.SetValueType(Value::ValueType::LoadAddress);
-    Value result;
-    Status error;
-    if (dwarfexpr.Evaluate(&exe_ctx, this, 0, &cfa_val, nullptr, result,
-                           &error)) {
+    llvm::Expected<Value> result =
+        dwarfexpr.Evaluate(&exe_ctx, this, 0, &cfa_val, nullptr);
+    if (!result) {
+      LLDB_LOG_ERROR(log, result.takeError(),
+                     "DWARF expression failed to evaluate: {0}");
+    } else {
       addr_t val;
-      val = result.GetScalar().ULongLong();
+      val = result->GetScalar().ULongLong();
       if (unwindplan_regloc.IsDWARFExpression()) {
         regloc.type = UnwindLLDB::RegisterLocation::eRegisterValueInferred;
         regloc.location.inferred_value = val;
@@ -2029,11 +2031,10 @@ bool RegisterContextUnwind::ReadFrameAddress(
     DWARFExpressionList dwarfexpr(opcode_ctx, dwarfdata, nullptr);
     dwarfexpr.GetMutableExpressionAtAddress()->SetRegisterKind(
         row_register_kind);
-    Value result;
-    Status error;
-    if (dwarfexpr.Evaluate(&exe_ctx, this, 0, nullptr, nullptr, result,
-                           &error)) {
-      address = result.GetScalar().ULongLong();
+    llvm::Expected<Value> result =
+        dwarfexpr.Evaluate(&exe_ctx, this, 0, nullptr, nullptr);
+    if (result) {
+      address = result->GetScalar().ULongLong();
       if (ABISP abi_sp = m_thread.GetProcess()->GetABI())
         address = abi_sp->FixCodeAddress(address);
 
@@ -2042,7 +2043,7 @@ bool RegisterContextUnwind::ReadFrameAddress(
       return true;
     }
     UnwindLogMsg("Failed to set CFA value via DWARF expression: %s",
-                 error.AsCString());
+                 llvm::toString(result.takeError()).c_str());
     break;
   }
   case UnwindPlan::Row::FAValue::isRaSearch: {