* Remove logic for removing TFM target supported attributes for browser build, use latest analyzer

* Crossgen2 presently abuses the `CORINFO_SIG_INFO` pSig field to pass a handle representing a managed method signature object which the JIT passes back to us later in compilation. This field is for byte arrays and causes problems with SuperPMI which rightly doesn't know how to interpret a zero-length buffer whose pointer is set.
* Introduce a new field ,`methodSignature` where we pass the handle back to the JIT. This pattern saves us from allocating and pinning a byte buffer for signatures, something the native code VM and Crossgen1 don't have to worry about.
* Add strongly typed `ObjectToHandle` and `HandleToObject` methods for `CORINFO_MODULE_STRUCT_` <=> `MethodIL` and `MethodSignatureInfo` <=> `MethodSignature`.
* Add SuperPMI support for CORINFO_SIG_INFO.methodSignature
Co-authored-by: NBruce Forstall <brucefo@microsoft.com>

* Add more sources to tasks.proj build semaphore

With the Apple/AndroidAppBuilders we now have additional sources besides *.cs so we need to add them to the semaphore,
otherwise changes in these files wouldn't cause a rebuild.

* Review feedback

This appears to be a typo. weight1 is from dsc1 and weight2 is from
dsc2. If we checking whether dsc1 is a register arg, we should be
adjusting weight1, not weight2.

* add missing docs for ConcurrentDictionary.Comparer

* Update src/libraries/System.Collections.Concurrent/src/System/Collections/Concurrent/ConcurrentDictionary.cs
Co-authored-by: NStephen Toub <stoub@microsoft.com>
Co-authored-by: NStephen Toub <stoub@microsoft.com>

* Add new Rich Nav specific pipeline, temporarily enable RichNav in CI

* Temporarily fix template issue in arcade to test build

* Fix typo in build-job.yml

* Add Rich Nav package feed

* Thread 'enableRichCodeNavigation' parameter through, respond to PR feedback

* Remove change from templates

* Simplify templating and building after insight from Santiago

* Respond to pull request feedback from Santiago

* Specify environment manually, enable for allConfigurations

* Flow environment parameter through to build script

* HACK HACK HACK: replace normal CI with Rich Nav

* Increase timeout to 4 hours

* Empty commit to force another build

* Push empty commit to re-trigger build

* empty commit to force build

* fix build pipeline - remove script that no longer exists

* Add missing task

* Try changing the platform that is building this

* Update Rich Nav pipeline, revert changes to runtime pipeline

First step in being able to build different mac catalyst runtimes

Resolves https://github.com/dotnet/runtime/issues/47518

Added overrides for async methods on IndentedTextWriter that call the respective async methods on the underlying TextWriter. 

- Add routine/lock for updating friend assemblies
- Unify all assembly handling custom attribute updates in the runtime
  - This adjusts the handling of the DebuggableAttribute, which in the past would have worked even if it was applied to anything via the CustomAttributeBuilder apis
Co-authored-by: NKrzysztof Wicher <kwicher@microsoft.com>

* fix #31350

* fix ref file

* fix getter

* added tests

* Implement Vector.As using Unsafe.As.

* Ref source for Vector.As.

* Mark managed impl with intrinsic and aggressive inlining.

* Hwintrinsic definition

* Hwintrinsic impl

* Add missing break.

* Make extension method.

* Add test for unsupported As types.

* Add test for op_explicit and cast.

* Reorder intrinsic checks.

Context: https://github.com/android/ndk/wiki/Changelog-r22#announcements
Context: https://github.com/xamarin/xamarin-android/pull/5475
Context: https://github.com/mono/mono/pull/20814

This commit fixes a problem where the AOT compiler hard-codes the native
linker executable name to a platform-specific value but such an
executable does not exist in the toolchain being used, thus making the
AOT compiler fail to link the final binary.

The specific use case here is the new Android NDK r22 which not only
deprecates GNU binutils, but also removes architecture-prefixed `ld`
binary (e.g. `aarch64-linux-android-ld` no longer exists). Instead, the
NDK provides a non-prefixed `ld` binary and two prefixed ones:
`$arch-ld.gold` and `$arch-ld.bfd`. However, since the AOT compiler
hardcodes `ld` as the linker name on Linux systems, the AOT compilation
fails when attempting to link the final executable. Which, in turn,
breaks some Xamarin.Android AOT tests.

This commit fixes the issue by adding a new `ld-name` option to the AOT
compiler allowing one to specify just the name of the linker binary to
use. The rest of the toolchain mechanics doesn't change.

* Add missing logging to the folding functions

* Use DISPTREE and JITDUMP in more places

Data was being cleared before file was reloaded, causing gap where
invalid configuration could be read.   Now data is only cleared if
reload fails.

Fix #36244

* Remove DeviceContext HWND handling

* Remove IDeviceContext from DeviceContext

* Fix SuperPMI collection with crossgen2

Crossgen2 abuses the `CORINFO_SIG_INFO.pSig` field by treating
it as an opaque handle/pointer, and not a pointer to an array
of signature bytes. Work around this by detecting this case
and storing/restoring the pointer instead of a signature byte
array.

Also, add and improve some dump functions.

Mostly fixes https://github.com/dotnet/runtime/issues/47540
(Fixes it to about the same level of failures in crossgen1
compilations.)

* Fix clang build break

Add logging variables, but leave them under #if 0

Fix handling of getCallInfo throwing an exception.

Fix an issue with GTF_CALL_M_EXP_RUNTIME_LOOKUP using gtCallMoreFlags instead of incorrectly using gtFlags. (#47788)

* Silence warning in driver.c

* Clean up more warnings

* Backport docs for System.IO.Compression.Brotli

* Addressed PR suggestions and fixed additional bugs.

* Address feedback.
Enable GenerateDocumentationFile.

* BrotliStream.ReadByte docs.

* BrotliStream.Flush docs.

* BrotliStream.WriteByte docs.

* Replace appname includes to plain text.
Co-authored-by: Ncarlossanlop <carlossanlop@users.noreply.github.com>

* Change C# names of P/Invokes of objc_msgSend to be call-site specific.

* Rename to match suggested pattern

* Follow Xamarin convention in all objc_msgSend cases.

* Fix typo

* Rename to match convention.

[master] Update dependencies from dotnet/icu dotnet/arcade dotnet/runtime dotnet/llvm-project dotnet/xharness (#47762)

* Update dependencies from https://github.com/dotnet/icu build 20210118.1

Microsoft.NETCore.Runtime.ICU.Transport
 From Version 6.0.0-alpha.1.21061.1 -> To Version 6.0.0-alpha.1.21068.1

* Update dependencies from https://github.com/dotnet/arcade build 20210118.2

Microsoft.DotNet.XUnitConsoleRunner , Microsoft.DotNet.CodeAnalysis , Microsoft.DotNet.Build.Tasks.TargetFramework.Sdk , Microsoft.DotNet.Build.Tasks.Packaging , Microsoft.DotNet.Build.Tasks.Installers , Microsoft.DotNet.Build.Tasks.Feed , Microsoft.DotNet.Build.Tasks.Archives , Microsoft.DotNet.Arcade.Sdk , Microsoft.DotNet.ApiCompat , Microsoft.DotNet.GenAPI , Microsoft.DotNet.XUnitExtensions , Microsoft.DotNet.GenFacades , Microsoft.DotNet.VersionTools.Tasks , Microsoft.DotNet.SharedFramework.Sdk , Microsoft.DotNet.RemoteExecutor , Microsoft.DotNet.Helix.Sdk
 From Version 2.5.1-beta.21062.10 -> To Version 2.5.1-beta.21068.2

* Update dependencies from https://github.com/dotnet/arcade build 20210119.2

Microsoft.DotNet.XUnitConsoleRunner , Microsoft.DotNet.CodeAnalysis , Microsoft.DotNet.Build.Tasks.TargetFramework.Sdk , Microsoft.DotNet.Build.Tasks.Packaging , Microsoft.DotNet.Build.Tasks.Installers , Microsoft.DotNet.Build.Tasks.Feed , Microsoft.DotNet.Build.Tasks.Archives , Microsoft.DotNet.Arcade.Sdk , Microsoft.DotNet.ApiCompat , Microsoft.DotNet.GenAPI , Microsoft.DotNet.XUnitExtensions , Microsoft.DotNet.GenFacades , Microsoft.DotNet.VersionTools.Tasks , Microsoft.DotNet.SharedFramework.Sdk , Microsoft.DotNet.RemoteExecutor , Microsoft.DotNet.Helix.Sdk
 From Version 2.5.1-beta.21068.2 -> To Version 2.5.1-beta.21069.2

* Update dependencies from https://github.com/dotnet/arcade build 20210121.2

Microsoft.DotNet.XUnitConsoleRunner , Microsoft.DotNet.CodeAnalysis , Microsoft.DotNet.Build.Tasks.TargetFramework.Sdk , Microsoft.DotNet.Build.Tasks.Packaging , Microsoft.DotNet.Build.Tasks.Installers , Microsoft.DotNet.Build.Tasks.Feed , Microsoft.DotNet.Build.Tasks.Archives , Microsoft.DotNet.Arcade.Sdk , Microsoft.DotNet.ApiCompat , Microsoft.DotNet.GenAPI , Microsoft.DotNet.XUnitExtensions , Microsoft.DotNet.GenFacades , Microsoft.DotNet.VersionTools.Tasks , Microsoft.DotNet.SharedFramework.Sdk , Microsoft.DotNet.RemoteExecutor , Microsoft.DotNet.Helix.Sdk
 From Version 2.5.1-beta.21069.2 -> To Version 2.5.1-beta.21071.2

* Update dependencies from https://github.com/dotnet/runtime build 20210124.3

Microsoft.NETCore.DotNetHost , Microsoft.NETCore.DotNetHostPolicy , Microsoft.NETCore.ILAsm , runtime.native.System.IO.Ports , Microsoft.NET.Sdk.IL , System.Runtime.CompilerServices.Unsafe , System.Text.Json
 From Version 6.0.0-preview.2.21076.5 -> To Version 6.0.0-preview.1.21074.3

* Update dependencies from https://github.com/dotnet/xharness build 20210125.1

Microsoft.DotNet.XHarness.CLI , Microsoft.DotNet.XHarness.TestRunners.Xunit
 From Version 1.0.0-prerelease.21068.3 -> To Version 1.0.0-prerelease.21075.1

* Update dependencies from https://github.com/dotnet/xharness build 20210125.2

Microsoft.DotNet.XHarness.CLI , Microsoft.DotNet.XHarness.TestRunners.Xunit
 From Version 1.0.0-prerelease.21075.1 -> To Version 1.0.0-prerelease.21075.2

* Update dependencies from https://github.com/dotnet/xharness build 20210126.1

Microsoft.DotNet.XHarness.CLI , Microsoft.DotNet.XHarness.TestRunners.Xunit
 From Version 1.0.0-prerelease.21075.2 -> To Version 1.0.0-prerelease.21076.1

* Update dependencies from https://github.com/dotnet/llvm-project build 20210125.1

runtime.osx.10.12-x64.Microsoft.NETCore.Runtime.Mono.LLVM.Tools , runtime.win-x64.Microsoft.NETCore.Runtime.Mono.LLVM.Tools , runtime.win-x64.Microsoft.NETCore.Runtime.Mono.LLVM.Sdk , runtime.osx.10.12-x64.Microsoft.NETCore.Runtime.Mono.LLVM.Sdk , runtime.linux-x64.Microsoft.NETCore.Runtime.Mono.LLVM.Tools , runtime.linux-x64.Microsoft.NETCore.Runtime.Mono.LLVM.Sdk , runtime.linux-arm64.Microsoft.NETCore.Runtime.Mono.LLVM.Tools , runtime.linux-arm64.Microsoft.NETCore.Runtime.Mono.LLVM.Sdk
 From Version 9.0.1-alpha.1.21068.1 -> To Version 9.0.1-alpha.1.21075.1

* Update dependencies from https://github.com/dotnet/icu build 20210125.1

Microsoft.NETCore.Runtime.ICU.Transport
 From Version 6.0.0-alpha.1.21068.1 -> To Version 6.0.0-alpha.1.21075.1

* Update dependencies from https://github.com/dotnet/arcade build 20210122.6

Microsoft.DotNet.XUnitConsoleRunner , Microsoft.DotNet.CodeAnalysis , Microsoft.DotNet.Build.Tasks.TargetFramework.Sdk , Microsoft.DotNet.Build.Tasks.Packaging , Microsoft.DotNet.Build.Tasks.Installers , Microsoft.DotNet.Build.Tasks.Feed , Microsoft.DotNet.Build.Tasks.Archives , Microsoft.DotNet.Arcade.Sdk , Microsoft.DotNet.ApiCompat , Microsoft.DotNet.GenAPI , Microsoft.DotNet.XUnitExtensions , Microsoft.DotNet.GenFacades , Microsoft.DotNet.VersionTools.Tasks , Microsoft.DotNet.SharedFramework.Sdk , Microsoft.DotNet.RemoteExecutor , Microsoft.DotNet.Helix.Sdk
 From Version 2.5.1-beta.21071.2 -> To Version 2.5.1-beta.21072.6

* Update dependencies from https://github.com/dotnet/xharness build 20210126.2

Microsoft.DotNet.XHarness.CLI , Microsoft.DotNet.XHarness.TestRunners.Xunit
 From Version 1.0.0-prerelease.21076.1 -> To Version 1.0.0-prerelease.21076.2

* Update dependencies from https://github.com/dotnet/icu build 20210126.3

Microsoft.NETCore.Runtime.ICU.Transport
 From Version 6.0.0-alpha.1.21075.1 -> To Version 6.0.0-preview.2.21076.3

* Update dependencies from https://github.com/dotnet/arcade build 20210126.1

Microsoft.DotNet.XUnitConsoleRunner , Microsoft.DotNet.CodeAnalysis , Microsoft.DotNet.Build.Tasks.TargetFramework.Sdk , Microsoft.DotNet.Build.Tasks.Packaging , Microsoft.DotNet.Build.Tasks.Installers , Microsoft.DotNet.Build.Tasks.Feed , Microsoft.DotNet.Build.Tasks.Archives , Microsoft.DotNet.Arcade.Sdk , Microsoft.DotNet.ApiCompat , Microsoft.DotNet.GenAPI , Microsoft.DotNet.XUnitExtensions , Microsoft.DotNet.GenFacades , Microsoft.DotNet.VersionTools.Tasks , Microsoft.DotNet.SharedFramework.Sdk , Microsoft.DotNet.RemoteExecutor , Microsoft.DotNet.Helix.Sdk
 From Version 2.5.1-beta.21072.6 -> To Version 2.5.1-beta.21076.1

* Update dependencies from https://github.com/dotnet/arcade build 20210128.12

Microsoft.DotNet.XUnitConsoleRunner , Microsoft.DotNet.CodeAnalysis , Microsoft.DotNet.Build.Tasks.TargetFramework.Sdk , Microsoft.DotNet.Build.Tasks.Packaging , Microsoft.DotNet.Build.Tasks.Installers , Microsoft.DotNet.Build.Tasks.Feed , Microsoft.DotNet.Build.Tasks.Archives , Microsoft.DotNet.Arcade.Sdk , Microsoft.DotNet.ApiCompat , Microsoft.DotNet.GenAPI , Microsoft.DotNet.XUnitExtensions , Microsoft.DotNet.GenFacades , Microsoft.DotNet.VersionTools.Tasks , Microsoft.DotNet.SharedFramework.Sdk , Microsoft.DotNet.RemoteExecutor , Microsoft.DotNet.Helix.Sdk
 From Version 2.5.1-beta.21076.1 -> To Version 2.5.1-beta.21078.12

* Update dependencies from https://github.com/dotnet/xharness build 20210131.1

Microsoft.DotNet.XHarness.CLI , Microsoft.DotNet.XHarness.TestRunners.Xunit
 From Version 1.0.0-prerelease.21076.2 -> To Version 1.0.0-prerelease.21081.1

* Update dependencies from https://github.com/dotnet/runtime build 20210201.2

Microsoft.NETCore.DotNetHost , Microsoft.NETCore.DotNetHostPolicy , Microsoft.NETCore.ILAsm , runtime.native.System.IO.Ports , Microsoft.NET.Sdk.IL , System.Runtime.CompilerServices.Unsafe , System.Text.Json
 From Version 6.0.0-preview.1.21074.3 -> To Version 6.0.0-preview.2.21101.2

* Update dependencies from https://github.com/dotnet/icu build 20210201.12

Microsoft.NETCore.Runtime.ICU.Transport
 From Version 6.0.0-preview.2.21076.3 -> To Version 6.0.0-preview.2.21101.12

* Update dependencies from https://github.com/dotnet/llvm-project build 20210201.1

runtime.osx.10.12-x64.Microsoft.NETCore.Runtime.Mono.LLVM.Tools , runtime.win-x64.Microsoft.NETCore.Runtime.Mono.LLVM.Tools , runtime.win-x64.Microsoft.NETCore.Runtime.Mono.LLVM.Sdk , runtime.osx.10.12-x64.Microsoft.NETCore.Runtime.Mono.LLVM.Sdk , runtime.linux-x64.Microsoft.NETCore.Runtime.Mono.LLVM.Tools , runtime.linux-x64.Microsoft.NETCore.Runtime.Mono.LLVM.Sdk , runtime.linux-arm64.Microsoft.NETCore.Runtime.Mono.LLVM.Tools , runtime.linux-arm64.Microsoft.NETCore.Runtime.Mono.LLVM.Sdk
 From Version 9.0.1-alpha.1.21075.1 -> To Version 9.0.1-alpha.1.21101.1

* Update dependencies from https://github.com/dotnet/arcade build 20210131.1

Microsoft.DotNet.XUnitExtensions , Microsoft.DotNet.VersionTools.Tasks , Microsoft.DotNet.Build.Tasks.TargetFramework.Sdk , Microsoft.DotNet.Build.Tasks.Packaging , Microsoft.DotNet.Build.Tasks.Installers , Microsoft.DotNet.Build.Tasks.Feed , Microsoft.DotNet.Build.Tasks.Archives , Microsoft.DotNet.Arcade.Sdk , Microsoft.DotNet.ApiCompat , Microsoft.DotNet.CodeAnalysis , Microsoft.DotNet.XUnitConsoleRunner , Microsoft.DotNet.GenFacades , Microsoft.DotNet.GenAPI , Microsoft.DotNet.RemoteExecutor , Microsoft.DotNet.Helix.Sdk , Microsoft.DotNet.SharedFramework.Sdk
 From Version 6.0.0-beta.21078.12 -> To Version 6.0.0-beta.21081.1

* Update dependencies from https://github.com/dotnet/xharness build 20210202.1

Microsoft.DotNet.XHarness.CLI , Microsoft.DotNet.XHarness.TestRunners.Xunit
 From Version 1.0.0-prerelease.21068.3 -> To Version 1.0.0-prerelease.21102.1
Co-authored-by: Ndotnet-maestro[bot] <dotnet-maestro[bot]@users.noreply.github.com>

* Resolve ILLink warnings in System.Linq.Expressions (Round 1)

Contributes to #45623

* Address PR feedback

* PR feedback

* Clean up old Makefile-based build system from src/mono

Everything is using CMake now.

* Fix extraction of MONO_CORLIB_VERSION from configure.ac

Move the version into CMakeLists.txt

Microsoft.NETCore.Runtime.ICU.Transport
 From Version 6.0.0-alpha.1.21061.1 -> To Version 6.0.0-preview.2.21101.12
Co-authored-by: Ndotnet-maestro[bot] <dotnet-maestro[bot]@users.noreply.github.com>

- Set to 0x112 as in readytorun.h
- Resolve assertion in LoadDynamicInfoEntry vm/jitinterface.cpp

Fixes #47637, and adds ReceiveSent_UDP_Success test to both ReceiveFrom and ReceiveMessageFrom

runtime.osx.10.12-x64.Microsoft.NETCore.Runtime.Mono.LLVM.Tools , runtime.win-x64.Microsoft.NETCore.Runtime.Mono.LLVM.Tools , runtime.win-x64.Microsoft.NETCore.Runtime.Mono.LLVM.Sdk , runtime.osx.10.12-x64.Microsoft.NETCore.Runtime.Mono.LLVM.Sdk , runtime.linux-x64.Microsoft.NETCore.Runtime.Mono.LLVM.Tools , runtime.linux-x64.Microsoft.NETCore.Runtime.Mono.LLVM.Sdk , runtime.linux-arm64.Microsoft.NETCore.Runtime.Mono.LLVM.Tools , runtime.linux-arm64.Microsoft.NETCore.Runtime.Mono.LLVM.Sdk
 From Version 9.0.1-alpha.1.21064.1 -> To Version 9.0.1-alpha.1.21068.1
Co-authored-by: Ndotnet-maestro[bot] <dotnet-maestro[bot]@users.noreply.github.com>

Update build and README to use `hotreload-delta-gen` from [hotreload-utils](https://github.com/dotnet/hotreload-utils)

Co-authored-by: NAleksey Kliger (λgeek) <akliger@gmail.com>