[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 bug44;

pragma(LLVM_internal, "notypeinfo")
struct rgb
{
    long l;
}

void foo()
{
}

rgb test() {
  scope(exit) foo();
  return rgb();
}

void main()
{
    rgb r = test();
}