[racket-dev] [plt] Push #28576: master branch updated

From: Vincent St-Amour (stamourv at ccs.neu.edu)
Date: Sat Apr 19 17:36:40 EDT 2014

At Sat, 19 Apr 2014 13:19:25 -0400,
mflatt at racket-lang.org wrote:
> a01b12e Matthew Flatt <mflatt at racket-lang.org> 2014-04-19 10:11
> :
> | optimizer: don't move expressions into a `with-continuation-mark`
> |
> | ... unless the optimizer can prove that the expression doesn't
> | inspect continuation marks.
> :
>   M pkgs/racket-pkgs/racket-test/tests/racket/optimize.rktl | 12 +++++++++++-
>   M racket/src/racket/src/optimize.c                        |  5 +++++

This optimization can be observed from another thread, like a profiler's
sampling thread, even if the relevant code doesn't observe continuation
marks itself.

Vincent

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