-fdump-tree-all documentation.

[DCH]

Hi Andrew,

>Oh, you mean the front end dump.  Most of the dumps look like this:

Ok... I had a look at the other dumps and can see things more clearly here.

Each one of these is a tree node, and links are replaced by numbers of
>the form @N.  After that, it's just tree nodes.  Most of the meaning
>of these nodes is documented in gcc/tree.def, but a few nodes are
>language-specific and are documented in the language front ends.

Cheers,
David.