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authorJason Merrill <jason@redhat.com>2022-09-12 13:47:34 -0400
committerJason Merrill <jason@redhat.com>2022-09-12 15:46:59 -0400
commit03381beccb52c0e2c15da3b8b8dfa3bb6eb71df9 (patch)
tree3a8367006366573d5bff11efa75bdced4df166b8 /gcc
parent6bcca5f642eb950a3cef024ea49a35e4792306f6 (diff)
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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.
Diffstat (limited to 'gcc')
-rw-r--r--gcc/cp/decl.cc3
-rw-r--r--gcc/testsuite/g++.dg/cpp1y/auto-fn65.C10
2 files changed, 13 insertions, 0 deletions
diff --git a/gcc/cp/decl.cc b/gcc/cp/decl.cc
index 4665a29..88f283b 100644
--- a/gcc/cp/decl.cc
+++ b/gcc/cp/decl.cc
@@ -8140,6 +8140,9 @@ 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 (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 0000000..78bb004
--- /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 <typename T>
+struct CoordTraits
+{
+ static auto GetX(T const &p) { return 1; }
+};
+typedef CoordTraits<int> Traits;
+static constexpr auto GetX = Traits::GetX;