[lldb][DWARFASTParserClang][NFCI] Make ParsedDWARFTypeAttributes parameter const

[Michael137]

This will make future refactorings of ParseSubroutine simpler.

Depends on #73832

[llvmbot]

@llvm/pr-subscribers-lldb

Author: Michael Buch (Michael137)

Changes

This will make future refactorings of ParseSubroutine simpler.

Depends on #73832

---

Full diff: https://github.com/llvm/llvm-project/pull/73833.diff

2 Files Affected:

• (modified) lldb/source/Plugins/SymbolFile/DWARF/DWARFASTParserClang.cpp (+7-5)
• (modified) lldb/source/Plugins/SymbolFile/DWARF/DWARFASTParserClang.h (+1-1)

diff --git a/lldb/source/Plugins/SymbolFile/DWARF/DWARFASTParserClang.cpp b/lldb/source/Plugins/SymbolFile/DWARF/DWARFASTParserClang.cpp
index 4d7d27b64e4c7f2..6d6ac910feeb65b 100644
--- a/lldb/source/Plugins/SymbolFile/DWARF/DWARFASTParserClang.cpp
+++ b/lldb/source/Plugins/SymbolFile/DWARF/DWARFASTParserClang.cpp
@@ -980,8 +980,9 @@ ConvertDWARFCallingConventionToClang(const ParsedDWARFTypeAttributes &attrs) {
   return clang::CC_C;
 }
 
-TypeSP DWARFASTParserClang::ParseSubroutine(const DWARFDIE &die,
-                           ParsedDWARFTypeAttributes &attrs) {
+TypeSP
+DWARFASTParserClang::ParseSubroutine(const DWARFDIE &die,
+                                     const ParsedDWARFTypeAttributes &attrs) {
   Log *log = GetLog(DWARFLog::TypeCompletion | DWARFLog::Lookups);
 
   SymbolFileDWARF *dwarf = die.GetDWARF();
@@ -1206,14 +1207,15 @@ TypeSP DWARFASTParserClang::ParseSubroutine(const DWARFDIE &die,
                   // Neither GCC 4.2 nor clang++ currently set a valid
                   // accessibility in the DWARF for C++ methods...
                   // Default to public for now...
-                  if (attrs.accessibility == eAccessNone)
-                    attrs.accessibility = eAccessPublic;
+                  const auto accessibility = attrs.accessibility == eAccessNone
+                                                 ? eAccessPublic
+                                                 : attrs.accessibility;
 
                   clang::CXXMethodDecl *cxx_method_decl =
                       m_ast.AddMethodToCXXRecordType(
                           class_opaque_type.GetOpaqueQualType(),
                           attrs.name.GetCString(), attrs.mangled_name,
-                          clang_type, attrs.accessibility, attrs.is_virtual,
+                          clang_type, accessibility, attrs.is_virtual,
                           is_static, attrs.is_inline, attrs.is_explicit,
                           is_attr_used, attrs.is_artificial);
 
diff --git a/lldb/source/Plugins/SymbolFile/DWARF/DWARFASTParserClang.h b/lldb/source/Plugins/SymbolFile/DWARF/DWARFASTParserClang.h
index 81b705a036189eb..7b495419cf3241b 100644
--- a/lldb/source/Plugins/SymbolFile/DWARF/DWARFASTParserClang.h
+++ b/lldb/source/Plugins/SymbolFile/DWARF/DWARFASTParserClang.h
@@ -368,7 +368,7 @@ class DWARFASTParserClang : public lldb_private::plugin::dwarf::DWARFASTParser {
                          const lldb_private::plugin::dwarf::DWARFDIE &die,
                          ParsedDWARFTypeAttributes &attrs);
   lldb::TypeSP ParseSubroutine(const lldb_private::plugin::dwarf::DWARFDIE &die,
-                               ParsedDWARFTypeAttributes &attrs);
+                               const ParsedDWARFTypeAttributes &attrs);
   lldb::TypeSP ParseArrayType(const lldb_private::plugin::dwarf::DWARFDIE &die,
                               const ParsedDWARFTypeAttributes &attrs);
   lldb::TypeSP