From 999638cb7b126d33d1ea6548c69ba387b7d7a270 Mon Sep 17 00:00:00 2001 From: Jason Merrill Date: Mon, 12 Sep 2022 13:47:34 -0400 Subject: [PATCH] c++: auto member function and auto variable [PR106893] As with PR105623, we need to call mark_single_function sooner to resolve the type of a BASELINK. PR c++/106893 PR c++/90451 gcc/cp/ChangeLog: * decl.cc (cp_finish_decl): Call mark_single_function. gcc/testsuite/ChangeLog: * g++.dg/cpp1y/auto-fn65.C: New test. --- gcc/cp/decl.cc | 3 +++ gcc/testsuite/g++.dg/cpp1y/auto-fn65.C | 10 ++++++++++ 2 files changed, 13 insertions(+) create mode 100644 gcc/testsuite/g++.dg/cpp1y/auto-fn65.C diff --git a/gcc/cp/decl.cc b/gcc/cp/decl.cc index 9f78c500a15c..cd1522f9a9f8 100644 --- a/gcc/cp/decl.cc +++ b/gcc/cp/decl.cc @@ -8137,6 +8137,9 @@ cp_finish_decl (tree decl, tree init, bool init_const_expr_p, d_init = build_x_compound_expr_from_list (d_init, ELK_INIT, tf_warning_or_error); d_init = resolve_nondeduced_context (d_init, tf_warning_or_error); + /* Force auto deduction now. Use tf_none to avoid redundant warnings + on deprecated-14.C. */ + mark_single_function (d_init, tf_none); } enum auto_deduction_context adc = adc_variable_type; if (VAR_P (decl) && DECL_DECOMPOSITION_P (decl)) diff --git a/gcc/testsuite/g++.dg/cpp1y/auto-fn65.C b/gcc/testsuite/g++.dg/cpp1y/auto-fn65.C new file mode 100644 index 000000000000..78bb004303bd --- /dev/null +++ b/gcc/testsuite/g++.dg/cpp1y/auto-fn65.C @@ -0,0 +1,10 @@ +// PR c++/106893 +// { dg-do compile { target c++14 } } + +template +struct CoordTraits +{ + static auto GetX(T const &p) { return 1; } +}; +typedef CoordTraits Traits; +static constexpr auto GetX = Traits::GetX; -- 2.47.2