[clang] [Clang] prevent setting default lexical access specifier for missing primary declarations (PR #112424)

[Oleksandr T. via cfe-commits]

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@@ -39,7 +39,8 @@ bool Sema::SetMemberAccessSpecifier(NamedDecl *MemberDecl,
                                     AccessSpecifier LexicalAS) {
   if (!PrevMemberDecl) {
     // Use the lexical access specifier.
-    MemberDecl->setAccess(LexicalAS);
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a-tarasyuk wrote:

@shafik thanks for the feedback. I've checked, and it seems safe to omit `Name` here, so I’ve removed it.

https://github.com/llvm/llvm-project/pull/112424