[Bug c++/50089] New: [C++0x] ICE when calling a qualified base class member function within a lambda expr without "this->"

[Bug c++/50089] New: [C++0x] ICE when calling a qualified base class member function within a lambda expr without "this->"

[andwoe at hotmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50089

             Bug #: 50089
           Summary: [C++0x] ICE when calling a qualified base class member
                    function within a lambda expr without "this->"
    Classification: Unclassified
           Product: gcc
           Version: 4.6.1
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c++
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: andwoe@hotmail.com


compiler output:
$ g++ -std=c++0x -Wall -Wextra gccice_lambda.cpp
gccice_lambda.cpp: In lambda function:
gccice_lambda.cpp:12:34: internal compiler error: in build_base_path, at
cp/class.c:270

compiler version:
$ g++ -v
Using built-in specs.
COLLECT_GCC=g++
COLLECT_LTO_WRAPPER=/usr/lib/x86_64-linux-gnu/gcc/x86_64-linux-gnu/4.6.1/lto-wrapper
Target: x86_64-linux-gnu
Configured with: ../src/configure -v --with-pkgversion='Debian 4.6.1-6'
--with-bugurl=file:///usr/share/doc/gcc-4.6/README.Bugs
--enable-languages=c,c++,fortran,objc,obj-c++,go --prefix=/usr
--program-suffix=-4.6 --enable-shared --enable-multiarch
--with-multiarch-defaults=x86_64-linux-gnu --enable-linker-build-id
--with-system-zlib --libexecdir=/usr/lib/x86_64-linux-gnu
--without-included-gettext --enable-threads=posix
--with-gxx-include-dir=/usr/include/c++/4.6 --libdir=/usr/lib/x86_64-linux-gnu
--enable-nls --enable-clocale=gnu --enable-libstdcxx-debug
--enable-libstdcxx-time=yes --enable-plugin --enable-objc-gc
--with-arch-32=i586 --with-tune=generic --enable-checking=release
--build=x86_64-linux-gnu --host=x86_64-linux-gnu --target=x86_64-linux-gnu
Thread model: posix
gcc version 4.6.1 (Debian 4.6.1-6) 

same error (but line 271) with gcc-snapshot 20110807 (debian)

==code==

struct TestBase
{
   void foo() {}
};

struct Test : TestBase
{
   void foo()
   {
      [this]{
         /*this->*/TestBase::foo(); // ICE without this->
      }();
   }
};

[Bug c++/50089] [C++0x] ICE when calling a qualified base class member function within a lambda expr without "this->"

[andwoe at hotmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50089

--- Comment #1 from andwoe <andwoe at hotmail dot com> 2011-08-15 13:18:57 UTC ---
Created attachment 25017
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=25017
source

[Bug c++/50089] [C++0x] ICE when calling a qualified base class member function within a lambda expr without "this->"

[paolo.carlini at oracle dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50089

Paolo Carlini <paolo.carlini at oracle dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2011-08-15
                 CC|                            |jason at gcc dot gnu.org
     Ever Confirmed|0                           |1

[Bug c++/50089] [C++0x] ICE when calling a qualified base class member function within a lambda expr without "this->"

[jason at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50089

Jason Merrill <jason at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |ASSIGNED
         AssignedTo|unassigned at gcc dot       |jason at gcc dot gnu.org
                   |gnu.org                     |
   Target Milestone|---                         |4.6.2

[Bug c++/50089] [C++0x] ICE when calling a qualified base class member function within a lambda expr without "this->"

[jason at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50089

--- Comment #2 from Jason Merrill <jason at gcc dot gnu.org> 2011-08-30 21:27:31 UTC ---
Author: jason
Date: Tue Aug 30 21:27:27 2011
New Revision: 178339

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=178339
Log:
    PR c++/50089
    * semantics.c (finish_id_expression): Use
    current_nonlambda_class_type for qualified-ids.

Added:
    trunk/gcc/testsuite/g++.dg/cpp0x/lambda/lambda-qualified.C
Modified:
    trunk/gcc/cp/ChangeLog
    trunk/gcc/cp/semantics.c
    trunk/gcc/testsuite/ChangeLog

[Bug c++/50089] [C++0x] ICE when calling a qualified base class member function within a lambda expr without "this->"

[jason at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50089

--- Comment #3 from Jason Merrill <jason at gcc dot gnu.org> 2011-08-30 21:48:28 UTC ---
Author: jason
Date: Tue Aug 30 21:48:24 2011
New Revision: 178342

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=178342
Log:
    PR c++/50089
    * semantics.c (finish_id_expression): Use
    current_nonlambda_class_type for qualified-ids.

Added:
   
branches/gcc-4_6-branch/gcc/testsuite/g++.dg/cpp0x/lambda/lambda-qualified.C
Modified:
    branches/gcc-4_6-branch/gcc/cp/ChangeLog
    branches/gcc-4_6-branch/gcc/cp/semantics.c
    branches/gcc-4_6-branch/gcc/testsuite/ChangeLog

[Bug c++/50089] [C++0x] ICE when calling a qualified base class member function within a lambda expr without "this->"

[jason at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50089

Jason Merrill <jason at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|ASSIGNED                    |RESOLVED
         Resolution|                            |FIXED

--- Comment #4 from Jason Merrill <jason at gcc dot gnu.org> 2011-08-30 21:49:06 UTC ---
Fixed for 4.6.2.