[Bug c++/40619] New: [c++0x] ICE on repeated decltype expression in auto functions

[Bug c++/40619] New: [c++0x] ICE on repeated decltype expression in auto functions

[aaz at althenia dot net]

template<typename U> struct X {};

template<typename T> auto f(T t) -> X<decltype(t+1)> {}
template<typename T> auto g(T t) -> X<decltype(t+1)> {}


Compiling with -std=c++0x gives
decltype_ice.cc:4:52: internal compiler error: Segmentation fault: 11


-- 
           Summary: [c++0x] ICE on repeated decltype expression in auto
                    functions
           Product: gcc
           Version: 4.5.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c++
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: aaz at althenia dot net
 GCC build triplet: x86_64-portbld-freebsd7.2
  GCC host triplet: x86_64-portbld-freebsd7.2
GCC target triplet: x86_64-portbld-freebsd7.2


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40619

[Bug c++/40619] [c++0x] ICE on repeated decltype expression in auto functions

[paolo dot carlini at oracle dot com]

------- Comment #1 from paolo dot carlini at oracle dot com  2009-07-02 14:59 -------
Jason, can you have a look to this one? Thanks in advance!


-- 

paolo dot carlini at oracle dot com changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |jason at gcc dot gnu dot org
             Status|UNCONFIRMED                 |NEW
     Ever Confirmed|0                           |1
   Last reconfirmed|0000-00-00 00:00:00         |2009-07-02 14:59:07
               date|                            |


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40619

[Bug c++/40619] [c++0x] ICE on repeated decltype expression in auto functions

[jason at gcc dot gnu dot org]

------- Comment #2 from jason at gcc dot gnu dot org  2009-07-04 04:34 -------
Subject: Bug 40619

Author: jason
Date: Sat Jul  4 04:34:03 2009
New Revision: 149223

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=149223
Log:
        PR c++/40619
        * cp-tree.h (struct lang_decl_parm): New.
        (struct lang_decl): Add it.
        (LANG_DECL_PARM_CHECK): New.
        (DECL_PARM_INDEX): New.
        * decl2.c (parm_index): Remove.
        * lex.c (retrofit_lang_decl): Handle parms.
        (cxx_dup_lang_specific_decl): Likewise.
        * mangle.c (write_expression): Adjust.
        * tree.c (cp_tree_equal): Adjust.
        (decl_linkage): Only check DECL_COMDAT for functions and variables.
        * parser.c (cp_parser_parameter_declaration_list): Set
        DECL_PARM_INDEX.
        * pt.c (iterative_hash_template_arg): Hash it.

Added:
    trunk/gcc/testsuite/g++.dg/cpp0x/auto16.C
Modified:
    trunk/gcc/cp/ChangeLog
    trunk/gcc/cp/cp-tree.h
    trunk/gcc/cp/decl2.c
    trunk/gcc/cp/lex.c
    trunk/gcc/cp/mangle.c
    trunk/gcc/cp/parser.c
    trunk/gcc/cp/pt.c
    trunk/gcc/cp/tree.c
    trunk/gcc/testsuite/ChangeLog


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40619

[Bug c++/40619] [c++0x] ICE on repeated decltype expression in auto functions

[paolo dot carlini at oracle dot com]

------- Comment #3 from paolo dot carlini at oracle dot com  2009-07-04 10:33 -------
Thanks again Jason.


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40619

[Bug c++/40619] [c++0x] ICE on repeated decltype expression in auto functions

[aaz at althenia dot net]

------- Comment #4 from aaz at althenia dot net  2009-07-04 12:54 -------
It works. Thanks!


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40619

[Bug c++/40619] [c++0x] ICE on repeated decltype expression in auto functions

[jason at gcc dot gnu dot org]

------- Comment #5 from jason at gcc dot gnu dot org  2009-07-04 18:12 -------
Subject: Bug 40619

Author: jason
Date: Sat Jul  4 18:11:59 2009
New Revision: 149240

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=149240
Log:
        PR c++/40619
        * tree.c (cp_tree_equal) [PARM_DECL]: Don't check parm index.


Added:
    branches/gcc-4_4-branch/gcc/testsuite/g++.dg/cpp0x/auto16.C
      - copied unchanged from r149223,
trunk/gcc/testsuite/g++.dg/cpp0x/auto16.C
Modified:
    branches/gcc-4_4-branch/gcc/cp/ChangeLog
    branches/gcc-4_4-branch/gcc/cp/tree.c
    branches/gcc-4_4-branch/gcc/testsuite/g++.dg/   (props changed)
    branches/gcc-4_4-branch/gcc/testsuite/g++.dg/cpp0x/decltype-38655.C  
(props changed)

Propchange: branches/gcc-4_4-branch/gcc/testsuite/g++.dg/
            ('svn:mergeinfo' added)

Propchange: branches/gcc-4_4-branch/gcc/testsuite/g++.dg/cpp0x/decltype-38655.C
            ('svn:mergeinfo' modified)


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40619

[Bug c++/40619] [c++0x] ICE on repeated decltype expression in auto functions

[jason at gcc dot gnu dot org]

------- Comment #6 from jason at gcc dot gnu dot org  2009-07-05 01:01 -------
Fixed for 4.4.1.


-- 

jason at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|                            |FIXED
   Target Milestone|---                         |4.4.1


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40619