* Bloody mutable fields (#10116)

* Fix 9150 --- #i nuget on desktop witout net48 ref assemblies fails. (#10114)

* signing (#10108)
Co-authored-by: NKevin Ransom (msft) <codecutter@hotmail.com>

* fix for https://github.com/dotnet/fsharp/issues/7734

* add test

Eliminate tuple allocations in seekReadCustomAttributeRow via a custom reader for attribute rows (#9218)

* seekReadCustomAttributeRow as a struct 3-tuple

* Read custom attributes via a specialized reader

* Reduce copying and allocations in lexing

* Simplify and improve perf of eval

* Dont create temporary array in discardInput since blit handles overlapping memory

* Fix review comments and update a new method
* rename methods
* remove "new"

* improve xml doc spacing

* improve cref nodes

* fix broken xml doc

* fix more crefs

* doc improvements

* migrate to netcoreapp3.1

* update comments

* update tool versions

* fix loader

* typos

* Remove parseILGlobals

* Fixed build

* seekReadTypeDefRowExtents returns a struct tuple

* seekReadCompressedUInt32 returns a struct tuple

* Ensure that scripts without the notion of upper/lower case can create du identifiers

* Feedback and improvements

* feedback

* correct comment

* Remove 4-tuple - replaces #9226

* Remove obsolete parameters

* Fixed memory mapped file from being created with a length of zero.

* Added test

* Added test

* document AbstractSyntax.fs and whitespace cleanup and line splitting

* whitespace cleanup

* cleanup ast.fs and pars.fsy

* cleanup ast.fs and pars.fsy

* code review

* minor cleanup

* more cleanup: ast.fs --> AbstractSyntax.fs and AbstractSyntaxOps.fs

* SequencePoint --> DebugPoint within F# compiler

* simplify names for DebugPoint*

* Fixed exception that prevented creating a memory mapped file that shadow copies a file on-disk (#8238)

* Fixed exception that prevented creating a memory mapped file that is shadow copied

* Update bytes.fs

* Added test for old fsharp core project

* Starting porting DIM consumption work

* Fixing lang support

* Compiles

* Fixing up lang feature support

* Starting to port tests

* Some tests pass

* More tests passing

* Remove flags

* Added infra to test IVT

* Trying to fix more tests

* Remove dead code

* One more test remaining

* Fix test

* Fix ordering in FCS

* Minor comment change

* Update LanguageFeatures.fs

* Get rid of minor format

* Feedback changes in MethodOverrides.fs

* Removed RequiredSlotFlags

* Fixing build

* Added more static interface method tests. Fixing tests.

* Removed IsDefaultInterfaceMethod

* Almost refactored overrides

* A bit better querying for most specific impls

* Final feedback changes

* More optimizations

* Minor formatting

* Added a failing test

* Going to import overrides declaring type

* Accounting for method shadowing

* Fixing tests

* cross-platform wrapper around memory-backed memorymappedfile creation

* reenable FCS tests on non-windows platforms

* publish test results on non-windows platforms

* ensure correct .net sdk versions are installed regardless of VM image preloads

* simple workaround for missing mscorlib versions to TFMs

* publish per-framework xml results and report them in AZDO

* rework mono fixes to use ByteArrayMemory directly

* move runningOnMono call to bytes.fs and patch up callsites

* revert to build-only on mono-containing platforms

another MR will be required to fix the underlying logic before those can be changed to run tests again

* trigger ci

* Slicing and copying on ByteMemory should not throw if length is zero

* Added slice count check

* Changed length check on stream creation

* Remove empty

* Minor format change

* Check length before using AsStream

* Remove exception throwing from creating a stream

* Added checkCount

* Remove checkReadCount

Co-authored-by: NWill Smith <lol.tihan@gmail.com>

* Remove Finalize on obj holder for RawByteMemory as memory mapped files use a safe handler.

* Removed Finalize from SafeUnamanagedMemoryStream as it is an impl detail for viewing RawByteMemory as a stream

* Remove new

* Update bytes.fs

Fixed exception that prevented creating a memory mapped file that shadow copies a file on-disk (#8238)

* Fixed exception that prevented creating a memory mapped file that is shadow copied

* Update bytes.fs

* First step to get rid of ilglobals

* Added ILScopeRef.PrimaryAssembly

* almost

* Fixed

* Fixing build

* Revert ilwrite changes from last commit

* some cleanup

* Trying to fix build

* Trying to fix build

* Adjusting a few cases that use QualifiedName

* Refactor a bit on normalize

* Some cleanup

* Put ctok in local function

* Minor touch up for ILScopeRef matching

* Do not need this function anymore

* Remove ILGlobals dep on getNameOfScopeRef

* Added possiblePrimaryAssemblyRefs

* Fixed build

* Hopefully this fixes the build

* Added EqualsIgnoringVersion to ILAssemblyRef

* Added RemapAssemblyRef

* Use EqualsIgnoringVersion on primaryAssemblyRef check in remap

* Cleanup

* nit style feedback changes

* Removed RemapAssemblyRef. Added stamp that ignores version.

* Fixed build

* Minor format change

* minor name refactoring

* minimizing diff