gcc-4.9/gcc/testsuite/g++.dg/cpp0x/lambda/lambda-non-const.C


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// { dg-do run { target c++11 } }

#include <cassert>

template<typename F>
void call(F f) { f(); }

int main() {
  call([] () -> void {});
  call([] () mutable -> void {});

  int i = -1;
  call([i] () mutable -> void { i = 0; });
  assert(i == -1);

  return 0;
}