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Subject: [Bug c++/45983] ICE: tree code 'template_parm_index' is not supported in gimple streams with -lto
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45983

--- Comment #9 from Richard Guenther <rguenth at gcc dot gnu.org> 2010-10-15 15:05:36 UTC ---
More reduced testcase:

template <int N>
class T1 {
    int m[N];
    typedef float scalar_type_t;
    typedef scalar_type_t scalar_array_t[1];
    const scalar_array_t &decay(void) const;
};
class T2 {
public:
    float vals[1];
    float get_value(void) const { return vals[0]; }
};
T2 channel_params;
float output_audio(void) {
    return channel_params.get_value();
}

The scalar_type_t seems to leak through the seemingly identical array types
scalar_type_t[1] and float[1].