2026-01-03  Jakub Jelinek  <jakub@redhat.com>

	PR libstdc++/123326
	* class.cc (determine_key_method): Allow virtual inline/constexpr
	non-pure virtual methods with gnu::gnu_inline attribute to be key
	methods.

2026-01-03  Jakub Jelinek  <jakub@redhat.com>

	PR c++/123347
	* constexpr.cc (potential_constant_expression_1): Check for
	CLASS_TYPE_P before using TYPE_POLYMORPHIC_P on TREE_TYPE (e).

2026-01-03  Jakub Jelinek  <jakub@redhat.com>

	PR c++/123331
	* constexpr.cc (cxx_eval_vec_init_1): Don't build INIT_EXPR if
	eltinit is erroneous.

2026-01-02  Jakub Jelinek  <jakub@redhat.com>

	PR c++/123277
	* decl2.cc (is_late_template_attribute): Return false also for
	[[maybe_unused]] attribute on TYPE_DECLs to dependent types.


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