[Bug c++/38796] [c++0x] defaulted operator= with non-default return type accepted

["jason at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>]

------- Comment #2 from jason at gcc dot gnu dot org  2009-10-26 19:07 -------
Subject: Bug 38796

Author: jason
Date: Mon Oct 26 19:07:14 2009
New Revision: 153565

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=153565
Log:
        PR c++/38796, Core issue 906
gcc/cp
        * cp-tree.h (DECL_DEFAULTED_OUTSIDE_CLASS_P): New.
        (DECL_DEFAULTED_IN_CLASS_P): New.
        * class.c (user_provided_p): Non-static.
        (check_methods): Use it.
        (check_bases_and_members): Check defaulted fns.
        (defaultable_fn_p): Move and rename to...
        * method.c (defaultable_fn_check): ...this.
        (defaulted_late_check): New.
        * pt.c (tsubst_decl): Call it.
        * decl2.c (grokfield): Adjust.
        * decl.c (cp_finish_decl): Adjust.
        (grok_special_member_properties): Use user_provided_p.
libstdc++-v3
        * include/std/future (~Future_result_base): Default outside class
        body.
        * include/std/system_error (error_category()): Likewise.
        * libsupc++/nested_exception.h (nested_exception): Remove
        exception specifications from defaulted methods.

Added:
    trunk/gcc/testsuite/g++.dg/cpp0x/defaulted15.C
    trunk/gcc/testsuite/g++.dg/cpp0x/defaulted16.C
Modified:
    trunk/gcc/cp/ChangeLog
    trunk/gcc/cp/class.c
    trunk/gcc/cp/cp-tree.h
    trunk/gcc/cp/decl.c
    trunk/gcc/cp/decl2.c
    trunk/gcc/cp/method.c
    trunk/gcc/cp/pt.c
    trunk/gcc/testsuite/ChangeLog
    trunk/libstdc++-v3/ChangeLog
    trunk/libstdc++-v3/include/std/future
    trunk/libstdc++-v3/include/std/system_error
    trunk/libstdc++-v3/libsupc++/nested_exception.h
    trunk/libstdc++-v3/testsuite/30_threads/packaged_task/cons/assign_neg.cc
    trunk/libstdc++-v3/testsuite/30_threads/packaged_task/cons/copy_neg.cc
    trunk/libstdc++-v3/testsuite/30_threads/promise/cons/assign_neg.cc
    trunk/libstdc++-v3/testsuite/30_threads/promise/cons/copy_neg.cc
    trunk/libstdc++-v3/testsuite/30_threads/shared_future/cons/assign_neg.cc
    trunk/libstdc++-v3/testsuite/30_threads/unique_future/cons/assign_neg.cc
    trunk/libstdc++-v3/testsuite/30_threads/unique_future/cons/copy_neg.cc


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38796