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This is an automatically generated pull request from release/dev16.5 into release/dev16.5-vs-deps.

git fetch --all
git checkout merges/release/dev16.5-to-release/dev16.5-vs-deps
git reset --hard upstream/release/dev16.5-vs-deps
git merge upstream/release/dev16.5
# Fix merge conflicts
git commit
git push upstream merges/release/dev16.5-to-release/dev16.5-vs-deps --force

Once all conflicts are resolved and all the tests pass, you are free to merge the pull request.

The changes made in #41123 fix the
GetHashCode for SubstitutedMethodSymbol for more nullability scenarios,
but end up hashing all generic methods with a non-generic containing
type into the same bucket. This can cause large performance regressions
for the compiler.

This change ensures that substituted symbols which have substitutions
equivalent to their original methods' type parameter continue to be
equal, but substituted methods with different type substitutions are not
considered equal.
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@ghost ghost merged commit 92790e2 into release/dev16.5-vs-deps Feb 14, 2020
@ghost ghost deleted the merges/release/dev16.5-to-release/dev16.5-vs-deps branch February 14, 2020 03:00
@dotnet-bot dotnet-bot restored the merges/release/dev16.5-to-release/dev16.5-vs-deps branch February 14, 2020 03:02
@dotnet-bot dotnet-bot deleted the merges/release/dev16.5-to-release/dev16.5-vs-deps branch February 14, 2020 03:02
@dotnet-bot dotnet-bot restored the merges/release/dev16.5-to-release/dev16.5-vs-deps branch February 14, 2020 06:02
@dotnet-bot dotnet-bot deleted the merges/release/dev16.5-to-release/dev16.5-vs-deps branch February 14, 2020 06:02
@dotnet-bot dotnet-bot restored the merges/release/dev16.5-to-release/dev16.5-vs-deps branch February 14, 2020 09:02
@dotnet-bot dotnet-bot deleted the merges/release/dev16.5-to-release/dev16.5-vs-deps branch February 14, 2020 09:02
@dotnet-bot dotnet-bot restored the merges/release/dev16.5-to-release/dev16.5-vs-deps branch February 14, 2020 12:02
@dotnet-bot dotnet-bot deleted the merges/release/dev16.5-to-release/dev16.5-vs-deps branch February 14, 2020 12:02
@dotnet-bot dotnet-bot restored the merges/release/dev16.5-to-release/dev16.5-vs-deps branch February 14, 2020 15:02
@dotnet-bot dotnet-bot deleted the merges/release/dev16.5-to-release/dev16.5-vs-deps branch February 14, 2020 15:02
@dotnet-bot dotnet-bot restored the merges/release/dev16.5-to-release/dev16.5-vs-deps branch February 14, 2020 18:02
@dotnet-bot dotnet-bot deleted the merges/release/dev16.5-to-release/dev16.5-vs-deps branch February 14, 2020 18:02
@dotnet-bot dotnet-bot restored the merges/release/dev16.5-to-release/dev16.5-vs-deps branch February 14, 2020 21:02
@dotnet-bot dotnet-bot deleted the merges/release/dev16.5-to-release/dev16.5-vs-deps branch February 14, 2020 21:02
@dotnet-bot dotnet-bot restored the merges/release/dev16.5-to-release/dev16.5-vs-deps branch February 15, 2020 00:02
@dotnet-bot dotnet-bot deleted the merges/release/dev16.5-to-release/dev16.5-vs-deps branch February 15, 2020 00:02
@dotnet-bot dotnet-bot restored the merges/release/dev16.5-to-release/dev16.5-vs-deps branch February 15, 2020 03:02
@dotnet-bot dotnet-bot deleted the merges/release/dev16.5-to-release/dev16.5-vs-deps branch February 15, 2020 03:02
@dotnet-bot dotnet-bot restored the merges/release/dev16.5-to-release/dev16.5-vs-deps branch February 15, 2020 06:02
@dotnet-bot dotnet-bot deleted the merges/release/dev16.5-to-release/dev16.5-vs-deps branch February 15, 2020 06:02
@dotnet-bot dotnet-bot restored the merges/release/dev16.5-to-release/dev16.5-vs-deps branch February 15, 2020 09:02
@dotnet-bot dotnet-bot deleted the merges/release/dev16.5-to-release/dev16.5-vs-deps branch February 15, 2020 09:02
@dotnet-bot dotnet-bot restored the merges/release/dev16.5-to-release/dev16.5-vs-deps branch February 15, 2020 12:02
@dotnet-bot dotnet-bot restored the merges/release/dev16.5-to-release/dev16.5-vs-deps branch February 17, 2020 06:02
@dotnet-bot dotnet-bot deleted the merges/release/dev16.5-to-release/dev16.5-vs-deps branch February 17, 2020 06:02
@dotnet-bot dotnet-bot restored the merges/release/dev16.5-to-release/dev16.5-vs-deps branch February 17, 2020 09:02
@dotnet-bot dotnet-bot deleted the merges/release/dev16.5-to-release/dev16.5-vs-deps branch February 17, 2020 09:02
@dotnet-bot dotnet-bot restored the merges/release/dev16.5-to-release/dev16.5-vs-deps branch February 17, 2020 12:02
@dotnet-bot dotnet-bot deleted the merges/release/dev16.5-to-release/dev16.5-vs-deps branch February 17, 2020 12:02
@dotnet-bot dotnet-bot restored the merges/release/dev16.5-to-release/dev16.5-vs-deps branch February 17, 2020 15:02
@dotnet-bot dotnet-bot deleted the merges/release/dev16.5-to-release/dev16.5-vs-deps branch February 17, 2020 15:02
@dotnet-bot dotnet-bot restored the merges/release/dev16.5-to-release/dev16.5-vs-deps branch February 17, 2020 18:02
@dotnet-bot dotnet-bot deleted the merges/release/dev16.5-to-release/dev16.5-vs-deps branch February 17, 2020 18:02
@dotnet-bot dotnet-bot restored the merges/release/dev16.5-to-release/dev16.5-vs-deps branch February 17, 2020 21:02
@dotnet-bot dotnet-bot deleted the merges/release/dev16.5-to-release/dev16.5-vs-deps branch February 17, 2020 21:02
@dotnet-bot dotnet-bot restored the merges/release/dev16.5-to-release/dev16.5-vs-deps branch February 18, 2020 00:02
@dotnet-bot dotnet-bot deleted the merges/release/dev16.5-to-release/dev16.5-vs-deps branch February 18, 2020 00:02
@dotnet-bot dotnet-bot restored the merges/release/dev16.5-to-release/dev16.5-vs-deps branch February 18, 2020 03:02
@dotnet-bot dotnet-bot deleted the merges/release/dev16.5-to-release/dev16.5-vs-deps branch February 18, 2020 03:02
@dotnet-bot dotnet-bot restored the merges/release/dev16.5-to-release/dev16.5-vs-deps branch February 18, 2020 06:02
@dotnet-bot dotnet-bot deleted the merges/release/dev16.5-to-release/dev16.5-vs-deps branch February 18, 2020 06:02
@dotnet-bot dotnet-bot restored the merges/release/dev16.5-to-release/dev16.5-vs-deps branch February 18, 2020 09:02
@dotnet-bot dotnet-bot deleted the merges/release/dev16.5-to-release/dev16.5-vs-deps branch February 18, 2020 09:02
@dotnet-bot dotnet-bot restored the merges/release/dev16.5-to-release/dev16.5-vs-deps branch February 18, 2020 12:02
@dotnet-bot dotnet-bot deleted the merges/release/dev16.5-to-release/dev16.5-vs-deps branch February 18, 2020 12:02
@dotnet-bot dotnet-bot restored the merges/release/dev16.5-to-release/dev16.5-vs-deps branch February 18, 2020 15:02
@dotnet-bot dotnet-bot deleted the merges/release/dev16.5-to-release/dev16.5-vs-deps branch February 18, 2020 15:02
@dotnet-bot dotnet-bot restored the merges/release/dev16.5-to-release/dev16.5-vs-deps branch February 18, 2020 18:02
@dotnet-bot dotnet-bot deleted the merges/release/dev16.5-to-release/dev16.5-vs-deps branch February 18, 2020 18:02
@dotnet-bot dotnet-bot restored the merges/release/dev16.5-to-release/dev16.5-vs-deps branch February 18, 2020 21:02
@dotnet-bot dotnet-bot deleted the merges/release/dev16.5-to-release/dev16.5-vs-deps branch February 18, 2020 21:02
@dotnet-bot dotnet-bot restored the merges/release/dev16.5-to-release/dev16.5-vs-deps branch February 19, 2020 00:02
@dotnet-bot dotnet-bot deleted the merges/release/dev16.5-to-release/dev16.5-vs-deps branch February 19, 2020 00:02
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3 participants