[svn r323] Branching out of inline asm works. Renamed emit_finallyblocks to DtoFinallyBlocks and moved to llvmhelpers. Added enclosingtryfinally to AsmBlockStatement, so branches out of asm blocks respect finallys. Refactored some GotoStatement code into DtoGoto.

module bug75;

void func(void delegate() dg)
{
}

void main()
{
    void nested() {
    }
    //func(&nested);
    void delegate() dg = &nested;
}