libstdc++/3363: stl_alloc.h does not include stl_config.h, causing parse errors

[pme@gcc.gnu.org]

Synopsis: stl_alloc.h does not include stl_config.h, causing parse errors

State-Changed-From-To: open->closed
State-Changed-By: pme
State-Changed-When: Mon Aug 20 14:49:11 2001
State-Changed-Why:
    Submitter reports fixed (collision with previous versions).
    
    Note that "make install" does not dare to remove anything
    that was already there.  The previous installation of GCC
    may not have come from us; it could come from a third party.
    We didn't put it there; we have no right to touch it.  The
    GCC installation isstructions recommend using a fresh
    install directory for each version for precisely this reason,
    unless you know what collisions to expect.

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