[Lldb-commits] [lldb] [lldb] Preserve original symbol of Mangled function names (PR #152201)

[Dave Lee via lldb-commits]

https://github.com/kastiglione created https://github.com/llvm/llvm-project/pull/152201

None

>From 90eaf547090690c6250fa36937c0f07b170eb8bb Mon Sep 17 00:00:00 2001
From: Dave Lee <davelee.com at gmail.com>
Date: Tue, 5 Aug 2025 13:34:50 -0700
Subject: [PATCH] [lldb] Preserve original symbol of Mangled function names

---
 lldb/source/Plugins/SymbolFile/DWARF/DWARFASTParserClang.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/lldb/source/Plugins/SymbolFile/DWARF/DWARFASTParserClang.cpp b/lldb/source/Plugins/SymbolFile/DWARF/DWARFASTParserClang.cpp
index 4c6c3054ba179..a429ea848b7f7 100644
--- a/lldb/source/Plugins/SymbolFile/DWARF/DWARFASTParserClang.cpp
+++ b/lldb/source/Plugins/SymbolFile/DWARF/DWARFASTParserClang.cpp
@@ -2509,7 +2509,9 @@ Function *DWARFASTParserClang::ParseFunctionFromDWARF(
       // If the mangled name is not present in the DWARF, generate the
       // demangled name using the decl context. We skip if the function is
       // "main" as its name is never mangled.
-      func_name.SetValue(ConstructDemangledNameFromDWARF(die));
+      func_name.SetDemangledName(ConstructDemangledNameFromDWARF(die));
+      // Ensure symbol is preserved (as the mangled name).
+      func_name.SetMangledName(ConstString(name));
     } else
       func_name.SetValue(ConstString(name));