Build fix for the latest LLVMContext changes (LLVM r75445) This shouldn't break the build with older LLVM revs. We include LLVMContext.h in gen/llvm.h now to make the transition a little bit easier.

module bug22;
extern(C) int printf(char*, ...);

void main()
{
    int i;
    delegate {
        i = 42;
    }();
    printf("%d\n", i);
    assert(i == 42);
}