[Bug c++/28543] New: Usage of -ftemplate-depth- may cause segfault

[dushistov at mail dot ru]

$ cat fac.cpp 
#include <cstdio>

template <unsigned int n> struct f;
template<> struct f<0> { enum { value = 1 }; };
template<> struct f<1> { enum { value = 1 }; };
template <unsigned int n> struct f { enum { value = n * f<n - 1>::value }; };

int main()
{
        printf("%u\n", f<-10>::value);
        return 0;
}

$ LANG=en_EN g++ -ftemplate-depth-10000 fac.cpp
g++: Internal error: Segmentation fault (program cc1plus)


-- 
           Summary: Usage of  -ftemplate-depth- may cause segfault
           Product: gcc
           Version: 4.1.1
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c++
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: dushistov at mail dot ru


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=28543