Avoid allocating instances of LookupResult in a loop to decrease pressure on the pool in highly multi-threaded scenarios.#26845
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AlekseyTs merged 1 commit intodotnet:masterfrom May 15, 2018
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…sure on the pool in highly multithreaded scenarios. Related to dotnet#26779.
jaredpar
approved these changes
May 14, 2018
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Test windows_debug_vs-integration_prtest please |
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Related to #26779.
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Customer scenario
What does the customer do to get into this situation, and why do we think this
is common enough to address for this release. (Granted, sometimes this will be
obvious "Open project, VS crashes" but in general, I need to understand how
common a scenario is)
Bugs this fixes
(either VSO or GitHub links)
Workarounds, if any
Also, why we think they are insufficient for RC vs. RC2, RC3, or RTW
Risk
This is generally a measure our how central the affected code is to adjacent
scenarios and thus how likely your fix is to destabilize a broader area of code
Performance impact
(with a brief justification for that assessment (e.g. "Low perf impact because no extra allocations/no complexity changes" vs. "Low")
Is this a regression from a previous update?
Root cause analysis
How did we miss it? What tests are we adding to guard against it in the future?
How was the bug found?
(E.g. customer reported it vs. ad hoc testing)
Test documentation updated?
If this is a new non-compiler feature or a significant improvement to an existing feature, update https://github.com/dotnet/roslyn/wiki/Manual-Testing once you know which release it is targeting.