http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53619
--- Comment #2 from vincenzo Innocente <vincenzo.innocente at cern dot ch> 2012-06-09 17:04:10 UTC --- an even simpler test cat lambda_this2.cpp #include<cassert> struct C { int x; }; struct B { int q; }; struct A : public B , C { void foo(); }; void A::foo() { auto k = [this]() {return (void *)(&x);}; assert(k()==(void *)(&x)); } int main(int l, char **) { A a; a.foo(); } c++ -std=gnu++11 lambda_this2.cpp; ./a.out a.out: lambda_this2.cpp:14: void A::foo(): Assertion `k()==(void *)(&x)' failed. Aborted (core dumped)