[Bug c++/58176] New: ICE in output_constant, at varasm.c:4658

["mralert at gmail dot com" <gcc-bugzilla at gcc dot gnu dot org>]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58176

            Bug ID: 58176
           Summary: ICE in output_constant, at varasm.c:4658
           Product: gcc
           Version: 4.8.1
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c++
          Assignee: unassigned at gcc dot gnu.org
          Reporter: mralert at gmail dot com

Code:
// Nil
struct nil_ { constexpr nil_ () {} };
constexpr nil_ nil;

// Cons
template <class H, class T = nil_>
struct cons_ {
    using head_ = H;
    using tail_ = T;

    H head;
    T tail;

    constexpr cons_() {}
    constexpr cons_(H const &h, T const &t) : head(h), tail(t) {}
};
template <class H, class T = nil_>
constexpr cons_<H, T> cons (H const &h, T const &t = nil) { return
cons_<H,T>(h,t); }

// List
template <class... T> struct list_s;
template <class H, class... T>
struct list_s<H, T...> {
    using type = cons_<H, typename list_s<T...>::type>;
};
template <>
struct list_s<> {
    using type = nil_;
};
template <class... T>
using list_ = typename list_s<T...>::type;
constexpr nil_ list () { return nil; }
template <class H, class... T>
constexpr list_<H, T...> list (H h, T... t) { return cons(h, list(t...)); }

constexpr auto l1 = list("monkey", 123.4, cons(1, 2), nullptr);

Error when compiled with g++ -std=c++11 -c gccbug.cpp:
gccbug.cpp:36:63: internal compiler error: in output_constant, at varasm.c:4658
 constexpr auto l1 = list("monkey", 123.4, cons(1, 2), nullptr);
                                                               ^

Removing nullptr from the list, or enabling optimizations stops the error from
happening.

gcc -v:
Using built-in specs.
COLLECT_GCC=gcc
COLLECT_LTO_WRAPPER=/usr/lib/gcc/x86_64-unknown-linux-gnu/4.8.1/lto-wrapper
Target: x86_64-unknown-linux-gnu
Configured with: /build/gcc-multilib/src/gcc-4.8-20130725/configure
--prefix=/usr --libdir=/usr/lib --libexecdir=/usr/lib --mandir=/usr/share/man
--infodir=/usr/share/info --with-bugurl=https://bugs.archlinux.org/
--enable-languages=c,c++,ada,fortran,go,lto,objc,obj-c++ --enable-shared
--enable-threads=posix --with-system-zlib --enable-__cxa_atexit
--disable-libunwind-exceptions --enable-clocale=gnu --disable-libstdcxx-pch
--enable-gnu-unique-object --enable-linker-build-id --enable-cloog-backend=isl
--disable-cloog-version-check --enable-lto --enable-gold --enable-ld=default
--enable-plugin --with-plugin-ld=ld.gold --with-linker-hash-style=gnu
--disable-install-libiberty --enable-multilib --disable-libssp --disable-werror
--enable-checking=release
Thread model: posix
gcc version 4.8.1 20130725 (prerelease) (GCC)