// Test for handling of excessive template recursion. // { dg-options "-ftemplate-depth-50 -O" } template <int I> struct F { int operator()() { F<I+1> f; // { dg-error "" "" } return f()*I; } }; template <> struct F<52> { int operator()() { return 0; } }; int main () { F<1> f; return f(); // { dg-error "instantiate" "excessive recursion" } }