diff options
Diffstat (limited to 'clang/lib/Sema/Sema.cpp')
| -rw-r--r-- | clang/lib/Sema/Sema.cpp | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/clang/lib/Sema/Sema.cpp b/clang/lib/Sema/Sema.cpp index fd1a94e16d7..fc76a86cbb7 100644 --- a/clang/lib/Sema/Sema.cpp +++ b/clang/lib/Sema/Sema.cpp @@ -390,6 +390,18 @@ ExprResult Sema::ImpCastExprToType(Expr *E, QualType Ty, if (ExprTy == TypeTy) return E; + // C++1z [conv.array]: The temporary materialization conversion is applied. + // We also use this to fuel C++ DR1213, which applies to C++11 onwards. + if (Kind == CK_ArrayToPointerDecay && getLangOpts().CPlusPlus && + E->getValueKind() == VK_RValue) { + // The temporary is an lvalue in C++98 and an xvalue otherwise. + ExprResult Materialized = CreateMaterializeTemporaryExpr( + E->getType(), E, !getLangOpts().CPlusPlus11); + if (Materialized.isInvalid()) + return ExprError(); + E = Materialized.get(); + } + if (ImplicitCastExpr *ImpCast = dyn_cast<ImplicitCastExpr>(E)) { if (ImpCast->getCastKind() == Kind && (!BasePath || BasePath->empty())) { ImpCast->setType(Ty); |
