llvmbot wrote:
<!--LLVM PR SUMMARY COMMENT--> @llvm/pr-subscribers-clang Author: None (NewSigma) <details> <summary>Changes</summary> Fix #<!-- -->78426 C++26 introduced braced initializer lists as template arguments. However, such contexts should be considered invalid for co_await and co_yield. This commit explicitly rules out the possibility of using these exprs in template arguments. --- Full diff: https://github.com/llvm/llvm-project/pull/130455.diff 1 Files Affected: - (modified) clang/lib/Sema/SemaCoroutine.cpp (+5-2) ``````````diff diff --git a/clang/lib/Sema/SemaCoroutine.cpp b/clang/lib/Sema/SemaCoroutine.cpp index 0e4f3b20c78cd..53536b0d14037 100644 --- a/clang/lib/Sema/SemaCoroutine.cpp +++ b/clang/lib/Sema/SemaCoroutine.cpp @@ -788,7 +788,11 @@ static bool checkSuspensionContext(Sema &S, SourceLocation Loc, // First emphasis of [expr.await]p2: must be a potentially evaluated context. // That is, 'co_await' and 'co_yield' cannot appear in subexpressions of // \c sizeof. - if (S.isUnevaluatedContext()) { + const auto ExprContext = S.currentEvaluationContext().ExprContext; + const bool BadContext = + S.isUnevaluatedContext() || + ExprContext != Sema::ExpressionEvaluationContextRecord::EK_Other; + if (BadContext) { S.Diag(Loc, diag::err_coroutine_unevaluated_context) << Keyword; return false; } @@ -798,7 +802,6 @@ static bool checkSuspensionContext(Sema &S, SourceLocation Loc, S.Diag(Loc, diag::err_coroutine_within_handler) << Keyword; return false; } - return true; } `````````` </details> https://github.com/llvm/llvm-project/pull/130455 _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
