[Bug c++/51184] Abstract class in function return type

[paolo at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51184

--- Comment #3 from paolo at gcc dot gnu.org <paolo at gcc dot gnu.org> 
2012-05-21 15:12:22 UTC ---
Author: paolo
Date: Mon May 21 15:12:13 2012
New Revision: 187720

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=187720
Log:
/cp
2012-05-21  Paolo Carlini  <paolo.carl...@oracle.com>

    PR c++/51184
    * decl.c (grokdeclarator): Diagnose functions returning abstract
    class types as TYPENAME.
    * cp-tree.h (ABSTRACT_CLASS_TYPE_P): Add.
    * except.c (is_admissible_throw_operand_or_catch_parameter): Use it.
    * pt.c (tsubst): Likewise.
    * semantics.c (trait_expr_value): Likewise.

/testsuite
2012-05-21  Paolo Carlini  <paolo.carl...@oracle.com>

    PR c++/51184
    * g++.dg/other/abstract4.C: New-

/cp
2012-05-21  Paolo Carlini  <paolo.carl...@oracle.com>

    PR c++/40821
    * parser.c (cp_parser_attributes_opt): Enforce error checking of
    unbalanced parentheses in the presence of tentative parsing.

/testsuite
2012-05-21  Paolo Carlini  <paolo.carl...@oracle.com>

    PR c++/40821
    * g++.dg/ext/attrib46.C: New.

Added:
    trunk/gcc/testsuite/g++.dg/ext/attrib46.C
    trunk/gcc/testsuite/g++.dg/other/abstract4.C
Modified:
    trunk/gcc/cp/ChangeLog
    trunk/gcc/cp/cp-tree.h
    trunk/gcc/cp/decl.c
    trunk/gcc/cp/except.c
    trunk/gcc/cp/parser.c
    trunk/gcc/cp/pt.c
    trunk/gcc/cp/semantics.c
    trunk/gcc/testsuite/ChangeLog