diff options
Diffstat (limited to 'clang/lib/Sema')
| -rw-r--r-- | clang/lib/Sema/SemaInit.cpp | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/clang/lib/Sema/SemaInit.cpp b/clang/lib/Sema/SemaInit.cpp index f0f7cb93d33..25d091f1d8c 100644 --- a/clang/lib/Sema/SemaInit.cpp +++ b/clang/lib/Sema/SemaInit.cpp @@ -5988,6 +5988,11 @@ static void CheckMoveOnConstruction(Sema &S, const Expr *InitExpr, if (!VD->getType()->isRecordType()) return; + // If we're returning a function parameter, copy elision + // is not possible. + if (isa<ParmVarDecl>(VD)) + DiagID = diag::warn_redundant_move_on_return; + if (DiagID == 0) { DiagID = S.Context.hasSameUnqualifiedType(DestType, VD->getType()) ? diag::warn_pessimizing_move_on_return |
