diff options
Diffstat (limited to 'contrib/llvm-project/clang/lib/Parse/ParseDecl.cpp')
| -rw-r--r-- | contrib/llvm-project/clang/lib/Parse/ParseDecl.cpp | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/contrib/llvm-project/clang/lib/Parse/ParseDecl.cpp b/contrib/llvm-project/clang/lib/Parse/ParseDecl.cpp index 43b2a32cce71..cf1e3a94de7f 100644 --- a/contrib/llvm-project/clang/lib/Parse/ParseDecl.cpp +++ b/contrib/llvm-project/clang/lib/Parse/ParseDecl.cpp @@ -3998,8 +3998,15 @@ void Parser::ParseDeclarationSpecifiers( case tok::kw_thread_local: if (getLangOpts().C2x) Diag(Tok, diag::warn_c2x_compat_keyword) << Tok.getName(); - isInvalid = DS.SetStorageClassSpecThread(DeclSpec::TSCS_thread_local, Loc, - PrevSpec, DiagID); + // We map thread_local to _Thread_local in C23 mode so it retains the C + // semantics rather than getting the C++ semantics. + // FIXME: diagnostics will show _Thread_local when the user wrote + // thread_local in source in C23 mode; we need some general way to + // identify which way the user spelled the keyword in source. + isInvalid = DS.SetStorageClassSpecThread( + getLangOpts().C2x ? DeclSpec::TSCS__Thread_local + : DeclSpec::TSCS_thread_local, + Loc, PrevSpec, DiagID); isStorageClass = true; break; case tok::kw__Thread_local: |