mainline wants too much memory?

[Joern Rennecke]

> cc1: out of memory allocating 1330363688 bytes after a total of 133231372
> bytes
> make: *** [sqlops.o] Error 1

I've seen something similar when flow went into an infinite loop.

We've been using this patch locally:

http://gcc.gnu.org/ml/gcc-patches/2003-01/msg02059.html

        Zdenek Dvorak <rakdver@atrey.karlin.mff.cuni.cz>

        * flow.c (MAX_LIVENESS_ROUNDS): New.
        (calculate_global_regs_live): Guarantee that liveness updating will
        terminate.
        (update_life_info_in_dirty_blocks): Remove hack that masked the bug.