[all-commits] [llvm/llvm-project] 3e6ce5: [clang][NFC] Refactor `StringLiteral::StringKind`

[Vlad Serebrennikov via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 3e6ce58701a3a8463b53fb3fd2023c02b4e90554
      https://github.com/llvm/llvm-project/commit/3e6ce58701a3a8463b53fb3fd2023c02b4e90554
  Author: Vlad Serebrennikov <serebrennikov.vladislav at gmail.com>
  Date:   2023-11-05 (Sun, 05 Nov 2023)

  Changed paths:
    M clang/include/clang/AST/Expr.h
    M clang/lib/AST/ASTContext.cpp
    M clang/lib/AST/Expr.cpp
    M clang/lib/AST/ExprConstant.cpp
    M clang/lib/AST/StmtProfile.cpp
    M clang/lib/Frontend/Rewrite/RewriteModernObjC.cpp
    M clang/lib/Frontend/Rewrite/RewriteObjC.cpp
    M clang/lib/Sema/SemaChecking.cpp
    M clang/lib/Sema/SemaExpr.cpp
    M clang/lib/Sema/SemaExprCXX.cpp
    M clang/lib/Sema/SemaExprObjC.cpp
    M clang/lib/Sema/SemaInit.cpp
    M clang/lib/Serialization/ASTWriterStmt.cpp

  Log Message:
  -----------
  [clang][NFC] Refactor `StringLiteral::StringKind`

This patch converts `StringLiteral::StringKind` to a scoped enum in namespace scope. This enabled forward-declarations of this enum where necessary, e.g. for `preferred_type` annotation for bit-fields.