This fixes a crash bug in C/cp_error077.c

All users of NEW_ARR_A used it to construct a simple array, yet noone
cared about it actually being an array with a length field in front. For
this simple use case you should use ALLOCAN.

Nobody uses it currently, and it is a burden for everyone writing a new
pass.

It has been empty for nearly all systems. People who used to put stuff
in config.h can still create a config.h on their own and inject
-include (gcc) or /FI (msvc) into their CPPFLAGS.

This fixes 176.gcc.

Just state the copyright and the project the files belong to. You can
then find the COPYING file for the whole project.

The opt_manage framework didn't really do much except assuring that some
analysis info is computed before a pass starts. We can achieve this
simpler by providing an assure_irg_properties function.
This commit also fixes some places where analysis info was potentially
not invalidated before.

graph_properties are things that a transformation may destroy but which
can be easily recalculated.

graph_constraints are set after lowering phases have been running and
forbid certain constructs that no (later) transformation is allowed to construct

public functions are already documented in their headers, no need to
repeat the comment at the definition site.

This is the new way of handling switch-jumps. The node contains a table
which maps (ranges of) input values to proj numbers. Compared to a
Cond-node this results in a clean consecutive sequence of Proj numbers
(no searching for a free number for the default_pn anymore) and allows
factoring multiple cases jumping to the same block in a single Proj
(though we still need the optimisation in cfopt for that).

They're adding more noise than they provide gain in readability. They
also make extra work to keep up to date.

[r28127]

[r28062]

[r28043]

[r28037]

[r28030]

[r28021]

[r27924]

[r27366]

fix consconfirm missing nodes in its statistics and worse not invalidating out-edges because of that

[r27365]

[r27300]

[r27277]

[r27145]

- add an irg_verify_pass()

[r26374]

- add more passes

[r26366]

- more passes implemented
- small fixes

[r26356]

- SymConst's are now ALWAYS placed in the start block

[r26236]