PATCH for note_stores

[Jeffrey A Law]

  In message < 199910272012.NAA01063@adsl-206-170-148-33.dsl.snfc21.pacbell.net >
you write:
  > 
  > As I've been working on various memory optimizations, I've been
  > annoyed that note_stores doesn't provide any way of providing data
  > down to the worker function.  Makes for lots of lovely static
  > variables all over the place.
  > 
  > Here's a patch to allow a closure argument.  I verified that this
  > causes no measurable slowdown bootstrapping GCC.
I would have suggested a new function instead of replacing the old one since
note_stores might be called by unintegrated front-ends, backends, or
optimization passes.  We don't want to break them without sufficient cause.





jeff