2d56dee61b
This should probably be considered "experimental" at this stage, but what it needs is feedback from adventurous adopters. I think the data structure used for describing escape reasons might be extendable to allow a cleanup of the underlying algorithms, which suffers from insufficiently separated concerns (the graph does not deal well with escape level adjustments, so it is augmented by a second custom-walk portion of the "flood" phase. It would be better to put it all, including level adjustments, in a single graph structure, and then simply flood the graph. Tweaked to avoid allocations in the no-logging case. Modified run.go to ignore lines with leading "#" in the output (since it can never match a line), and in -update_errors to ignore leading tabs in output lines and to normalize embedded filenames. Currently requires -m -m because otherwise the noise/update burden for the other escape tests is considerable. There is a partial test. Existing escape analysis tests seem to cover all except the panic case and what looks like it might be unreachable code in escape analysis. Fixes #10526. Change-Id: I2524fdec54facae48b00b2548e25d9e46fcaf832 Reviewed-on: https://go-review.googlesource.com/18041 Run-TryBot: David Chase <drchase@google.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org> |
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