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: āVā 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.