diff options
Diffstat (limited to 'clang/lib')
| -rw-r--r-- | clang/lib/Sema/SemaTemplate.cpp | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/clang/lib/Sema/SemaTemplate.cpp b/clang/lib/Sema/SemaTemplate.cpp index 7b0a3a3e094..49ba771379e 100644 --- a/clang/lib/Sema/SemaTemplate.cpp +++ b/clang/lib/Sema/SemaTemplate.cpp @@ -6323,9 +6323,12 @@ ExprResult Sema::CheckTemplateArgument(NonTypeTemplateParmDecl *Param, // the type is dependent, in order to check the types of non-type template // arguments line up properly in partial ordering. Optional<unsigned> Depth = Param->getDepth() + 1; + Expr *DeductionArg = Arg; + if (auto *PE = dyn_cast<PackExpansionExpr>(DeductionArg)) + DeductionArg = PE->getPattern(); if (DeduceAutoType( Context.getTrivialTypeSourceInfo(ParamType, Param->getLocation()), - Arg, ParamType, Depth) == DAR_Failed) { + DeductionArg, ParamType, Depth) == DAR_Failed) { Diag(Arg->getExprLoc(), diag::err_non_type_template_parm_type_deduction_failure) << Param->getDeclName() << Param->getType() << Arg->getType() |
