[Bug c++/52742] New: Initializing an array using brace initializer and template parameters

[Bug c++/52742] New: Initializing an array using brace initializer and template parameters

[M at ttDiesel dot co.uk]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52742

             Bug #: 52742
           Summary: Initializing an array using brace initializer and
                    template parameters
    Classification: Unclassified
           Product: gcc
           Version: 4.7.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c++
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: M@ttDiesel.co.uk


This follows on from this question on stackoverflow.com:

http://stackoverflow.com/questions/9894406/initializing-a-const-instance-member-array

This has been tested on three versions of GCC (4.7, 4.6.3 and 4.5) on a variety
of systems.

Output from 4.5 and 4.6.3 are both: http://ideone.com/h7K7y

Output from 4.7 is slightly different: http://pastie.org/3679616

Latter includes preprocessed output, using The following:

$ gcc -v
Using built-in specs.
COLLECT_GCC=gcc
COLLECT_LTO_WRAPPER=/usr/lib/gcc/x86_64-linux-gnu/4.6/lto-wrapper
Target: x86_64-linux-gnu
Configured with: ../src/configure -v --with-pkgversion='Debian 4.6.3-1'
--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-linker-build-id
--with-system-zlib --libexecdir=/usr/lib --without-included-gettext
--enable-threads=posix --with-gxx-include-dir=/usr/include/c++/4.6
--libdir=/usr/lib --enable-nls --with-sysroot=/ --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 4.6.3 (Debian 4.6.3-1)

[Bug c++/52742] Initializing an array using brace initializer and template parameters

[M at ttDiesel dot co.uk]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52742

--- Comment #1 from Mat <M at ttDiesel dot co.uk> 2012-03-28 07:07:58 UTC ---
A shorter reproducer has been shown here: https://gist.github.com/2220810

This does not actually have the template parameters inside the braces.

[Bug c++/52742] Initializing an array using brace initializer and template parameters

[paolo.carlini at oracle dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52742

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2012-03-29
     Ever Confirmed|0                           |1

--- Comment #2 from Paolo Carlini <paolo.carlini at oracle dot com> 2012-03-29 16:43:47 UTC ---
To wit:

void foo() {
  new int[1] {1};
}

template<int A>
void goo() {
  new int[1] {1};
}

int main() {
  foo();
  goo<1>();
}

[Bug c++/52742] Initializing an array using brace initializer and template parameters

[paolo at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=52742

--- Comment #4 from paolo at gcc dot gnu.org <paolo at gcc dot gnu.org> ---
Author: paolo
Date: Wed Aug 12 17:18:14 2015
New Revision: 226824

URL: https://gcc.gnu.org/viewcvs?rev=226824&root=gcc&view=rev
Log:
2015-08-12  Paolo Carlini  <paolo.carlini@oracle.com>

        PR c++/52742
        * g++.dg/cpp0x/pr52742.C: New.

Added:
    trunk/gcc/testsuite/g++.dg/cpp0x/pr52742.C
Modified:
    trunk/gcc/testsuite/ChangeLog

[Bug c++/52742] Initializing an array using brace initializer and template parameters

[paolo.carlini at oracle dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=52742

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
                 CC|M at ttDiesel dot co.uk            |
         Resolution|---                         |FIXED
   Target Milestone|---                         |4.8.1

--- Comment #5 from Paolo Carlini <paolo.carlini at oracle dot com> ---
Closing.