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When adding to CLASSTYPE_BEFRIENDING_CLASSES as part of installing an imported class definition, we need to look through TEMPLATE_DECL like make_friend_class does. Otherwise in the below testcase we won't add _Hashtable<int, int> to CLASSTYPE_BEFRIENDING_CLASSES of _Map_base, which leads to a bogus access check failure for _M_hash_code. PR c++/114889 gcc/cp/ChangeLog: * module.cc (trees_in::read_class_def): Look through TEMPLATE_DECL when adding to CLASSTYPE_BEFRIENDING_CLASSES. gcc/testsuite/ChangeLog: * g++.dg/modules/friend-8_a.H: New test. * g++.dg/modules/friend-8_b.C: New test. Reviewed-by: Jason Merrill <jason@redhat.com> |
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This directory contains the GNU Compiler Collection (GCC). The GNU Compiler Collection is free software. See the files whose names start with COPYING for copying permission. The manuals, and some of the runtime libraries, are under different terms; see the individual source files for details. The directory INSTALL contains copies of the installation information as HTML and plain text. The source of this information is gcc/doc/install.texi. The installation information includes details of what is included in the GCC sources and what files GCC installs. See the file gcc/doc/gcc.texi (together with other files that it includes) for usage and porting information. An online readable version of the manual is in the files gcc/doc/gcc.info*. See http://gcc.gnu.org/bugs/ for how to report bugs usefully. Copyright years on GCC source files may be listed using range notation, e.g., 1987-2012, indicating that every year in the range, inclusive, is a copyrightable year that could otherwise be listed individually.