diff --git a/gcc/cp/name-lookup.cc b/gcc/cp/name-lookup.cc index dce4caf89819dc6823e4dcb8446015e0c616742a..7af7f00e34c24d51676a218a347688c208dcb227 100644 --- a/gcc/cp/name-lookup.cc +++ b/gcc/cp/name-lookup.cc @@ -8664,10 +8664,13 @@ maybe_push_to_top_level (tree d) { /* Push if D isn't function-local, or is a lambda function, for which name resolution is already done. */ - bool push_to_top - = !(current_function_decl - && !LAMBDA_FUNCTION_P (d) - && decl_function_context (d) == current_function_decl); + const bool push_to_top + = (LAMBDA_FUNCTION_P (d) + || (TREE_CODE (d) == TYPE_DECL + && TREE_TYPE (d) + && LAMBDA_TYPE_P (TREE_TYPE (d))) + || !current_function_decl + || !decl_function_context (d)); if (push_to_top) push_to_top_level (); diff --git a/gcc/cp/pt.cc b/gcc/cp/pt.cc index 8cf0d5b7a8d83ee87822a796f749911dbdb90a53..7b00a8615d2881d9a7bb5c033bd40c676c99d80a 100644 --- a/gcc/cp/pt.cc +++ b/gcc/cp/pt.cc @@ -26855,7 +26855,7 @@ maybe_instantiate_noexcept (tree fn, tsubst_flags_t complain) } else if (push_tinst_level (fn)) { - push_to_top_level (); + const bool push_to_top = maybe_push_to_top_level (fn); push_access_scope (fn); push_deferring_access_checks (dk_no_deferred); input_location = DECL_SOURCE_LOCATION (fn); @@ -26878,17 +26878,10 @@ maybe_instantiate_noexcept (tree fn, tsubst_flags_t complain) if (orig_fn) ++processing_template_decl; - ++cp_unevaluated_operand; - ++c_inhibit_evaluation_warnings; - ++cp_noexcept_operand; /* Do deferred instantiation of the noexcept-specifier. */ noex = tsubst_expr (DEFERRED_NOEXCEPT_PATTERN (noex), DEFERRED_NOEXCEPT_ARGS (noex), tf_warning_or_error, fn); - --cp_unevaluated_operand; - --c_inhibit_evaluation_warnings; - --cp_noexcept_operand; - /* Build up the noexcept-specification. */ spec = build_noexcept_spec (noex, tf_warning_or_error); @@ -26898,7 +26891,7 @@ maybe_instantiate_noexcept (tree fn, tsubst_flags_t complain) pop_deferring_access_checks (); pop_access_scope (fn); pop_tinst_level (); - pop_from_top_level (); + maybe_pop_from_top_level (push_to_top); } else spec = noexcept_false_spec; diff --git a/gcc/testsuite/g++.dg/cpp0x/noexcept85.C b/gcc/testsuite/g++.dg/cpp0x/noexcept85.C new file mode 100644 index 0000000000000000000000000000000000000000..b415bb46bc94f1aac176340dddb4ad54465bbf55 --- /dev/null +++ b/gcc/testsuite/g++.dg/cpp0x/noexcept85.C @@ -0,0 +1,33 @@ +// PR c++/114349 +// { dg-do compile { target c++11 } } + +using A = struct {}; +template <template <typename> class, typename, typename> +using B = A; +template <typename T> +using C = typename T::D; +struct E { + using D = B<C, int, A>; +}; +template <class> constexpr bool foo (A) { return false; } +template <class T> struct F { + using G = T; + using H = E; + F(const F &); + void operator=(F) noexcept(foo <G> (H::D{})); +}; +template <typename, typename, typename> +using I = F<int>; +template <typename K, typename V, typename H = K> +using J = I<K, V, H>; +struct K { + typedef J<long, char> L; + L k; + K(); +}; +struct M { + bool bar () const; + K::L m; +}; +K n; +bool M::bar () const { n.k = m; return true; } diff --git a/gcc/testsuite/g++.dg/cpp0x/noexcept86.C b/gcc/testsuite/g++.dg/cpp0x/noexcept86.C new file mode 100644 index 0000000000000000000000000000000000000000..2d040c090f504579a021e0b69cc9b5e73e5c99b0 --- /dev/null +++ b/gcc/testsuite/g++.dg/cpp0x/noexcept86.C @@ -0,0 +1,25 @@ +// PR c++/114349 +// { dg-do compile { target c++14 } } + +struct B +{ + int i; +}; + +template <bool BA> +void +goo () +{ + constexpr bool is_yes = BA; + struct C + { + static auto g(B b) noexcept(is_yes) { } + }; + C::g({}); +} + +void +x () +{ + goo<false>(); +}