[lto] Add dump_block_tree/debug_block_tree

[Andrew Pinski]

On Tue, May 26, 2009 at 1:08 PM, Diego Novillo <dnovillo@google.com> wrote:
> Added while debugging BLOCK node streaming in the branch.  This
> shows the tree of lexical bindings starting at a given block.  I
> will commit on mainline after testing is finished.

Semi related to this.  Has anyone thought about adding a phython
script to gcc to dump trees (etc.) from a newer GDB? So a core dump
could be used?

Thanks,
Andrew Pinski