c++/9868: [3.3/3.4 regression] ICE in c_expand_expr when qualifying member variable

[Michael Matz]

Hi Wolfang,

On 27 Feb 2003 bangerth@dealii.org wrote:

> Old Synopsis: ICE building LyX 1.3.0 with Qt frontend on HP-UX 11i with GCC 3.3 prerelease
> New Synopsis: [3.3/3.4 regression] ICE in c_expand_expr when qualifying member variable


>     This is an extract:
>     ---------------------------
>     template <typename T> struct D {
>         void (*p)();
>
>         void clear() { D::p(); }
>     };
>     template class D<bool>;
>     --------------------------
>     D::p was previously in a base class, which is why it is
>     qualified with Class::. The code above crashes 3.3 and 3.4:
>     g/x> /home/bangerth/bin/gcc-3.4-pre/bin/c++ -c x.cc
>     x.cc: In member function `void D<T>::clear() [with T = bool]':
>     x.cc:6:   instantiated from here
>     x.cc:4: internal compiler error: in c_expand_expr, at c-common.c:4339
>
>     It worked with 3.2.2, though, so it's a regression.

This is exactly the same error as c++/9524.


Ciao,
Michael.