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PR c++/21764
* c-pragma.c (visstack): Move out of handle_pragma_visibility.
(push_visibility, pop_visibility): Likewise.
* c-pragma.h: Declare them.
* cp/name-lookup.h (struct cp_binding_level): Add has_visibility
bitfield.
* cp/name-lookup.c: Include c-pragma.h.
(push_namespace_with_attribs): Split out from push_namespace.
Push visibility if appropriate. Set TREE_PUBLIC on namespaces.
(leave_scope): Pop visibility if appropriate.
* cp/parser.c (cp_parser_declaration, cp_parser_namespace_name): Allow
attributes on namespace declarations.
PR c++/19238
* cp/decl.c (cp_finish_decl): Call determine_visibility later.
(start_preparsed_function): Likewise.
* cp/cp-tree.h (CP_TYPE_CONTEXT, TYPE_NAMESPACE_SCOPE_P): New macros.
(TYPE_CLASS_SCOPE_P, TYPE_FUNCTION_SCOPE_P): New macros.
* cp/decl2.c (determine_visibility_from_class): Split out from...
(determine_visibility): ...here. Handle function scope and
nested classes.
(import_export_decl): Move visibility handling to
determine_visibility_from_class.
From-SVN: r112239
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