diff options
Diffstat (limited to 'clang/lib/Sema/SemaInit.cpp')
| -rw-r--r-- | clang/lib/Sema/SemaInit.cpp | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/clang/lib/Sema/SemaInit.cpp b/clang/lib/Sema/SemaInit.cpp index 3937aad012d..c21dbc18b93 100644 --- a/clang/lib/Sema/SemaInit.cpp +++ b/clang/lib/Sema/SemaInit.cpp @@ -5971,9 +5971,10 @@ performReferenceExtension(Expr *Init, if (CE->getSubExpr()->isGLValue()) Init = CE->getSubExpr(); - // FIXME: Per DR1213, subscripting on an array temporary produces an xvalue. - // It's unclear if binding a reference to that xvalue extends the array - // temporary. + // Per the current approach for DR1299, look through array element access + // when performing lifetime extension. + if (auto *ASE = dyn_cast<ArraySubscriptExpr>(Init)) + Init = ASE->getBase(); } while (Init != Old); if (MaterializeTemporaryExpr *ME = dyn_cast<MaterializeTemporaryExpr>(Init)) { |
