Enable return buffers on Windows ARM64 for struct-returning member functions (dotnet/coreclr#23625)
* Enable return buffers on Windows ARM64 for struct-returning member functions. Fixes dotnet/coreclr#23577.
* Update comment to match new condition.
* Enable byref return on all Windows (excluding arm64 HFA. Add more test cases for ThisCall.
* On x86, if we have a normalized return value in an instance method, get back the actual type so that we correctly marshal it via a return buffer.
* Fix param ordering.
* Clean up based on PR feedback.
* Fix accidental variable shadowing.
Commit migrated from https://github.com/dotnet/coreclr/commit/
04f97c9923156b0c695f5fe441ffd14624de8076
projects / platform / upstream / dotnet / runtime.git / commit