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[Bug c++/59809] New: template non-type parameter in nested class-template said not be declared


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59809

            Bug ID: 59809
           Summary: template non-type parameter in nested class-template
                    said not be declared
           Product: gcc
           Version: 4.7.2
            Status: UNCONFIRMED
          Severity: minor
          Priority: P3
         Component: c++
          Assignee: unassigned at gcc dot gnu.org
          Reporter: jorenheit at gmail dot com

The following code results in a compiler error on GCC 4.7.2:

gccbug.cc:8:15: error: âVâ was not declared in this scope

Code:

// -----------------------
// gccbug.cc
template <typename T>
struct S
{
    template <int V>
    struct Inner
    {
        int a{V};
    };
};
// -----------------------

Output of gcc -v:

Using built-in specs.
COLLECT_GCC=gcc
COLLECT_LTO_WRAPPER=/usr/lib/gcc/x86_64-linux-gnu/4.7/lto-wrapper
Target: x86_64-linux-gnu
Configured with: ../src/configure -v --with-pkgversion='Debian 4.7.2-5'
--with-bugurl=file:///usr/share/doc/gcc-4.7/README.Bugs
--enable-languages=c,c++,go,fortran,objc,obj-c++ --prefix=/usr
--program-suffix=-4.7 --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++/4.7
--libdir=/usr/lib --enable-nls --with-sysroot=/ --enable-clocale=gnu
--enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-gnu-unique-object
--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 4.7.2 (Debian 4.7.2-5) 

Command that triggers the error:
g++ --std=c++11 -c gccbug.cc

This might be related to bug 57239.

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