[X64] [xtqqczze] Use `isinst` in `System.Data.Common.ObjectStorage:Set`

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Build completed in 1 hour 11 minutes.
dotnet/runtime#91945

CoreLib diffs

Found 1 files with textual diffs.

Summary of Code Size diffs:
(Lower is better)

Total bytes of base: 6605240
Total bytes of diff: 6605240
Total bytes of delta: 0 (0.00 % of base)


0 total files with Code Size differences (0 improved, 0 regressed), 1 unchanged.

0 total methods with Code Size differences (0 improved, 0 regressed), 52942 unchanged.

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Frameworks diffs

Diffs

Found 259 files with textual diffs.

Summary of Code Size diffs:
(Lower is better)

Total bytes of base: 37877682
Total bytes of diff: 37877226
Total bytes of delta: -456 (-0.00 % of base)
Total relative delta: Infinity
    diff is an improvement.
    relative diff is a regression.


Total byte diff includes -167 bytes from reconciling methods
	Base had    1 unique methods,      167 unique bytes
	Diff had    0 unique methods,        0 unique bytes

Top file improvements (bytes):
        -456 : System.Data.Common.dasm (-0.03 % of base)

1 total files with Code Size differences (1 improved, 0 regressed), 255 unchanged.

Top method regressions (bytes):
         167 (Infinity of base) : System.Net.Sockets.dasm - System.Net.Sockets.SocketAsyncEngine:TryRegisterSocket(long,System.Net.Sockets.SocketAsyncContext,byref,byref):ubyte (FullOpts)

Top method improvements (bytes):
        -456 (-32.50 % of base) : System.Data.Common.dasm - System.Data.Common.ObjectStorage:Set(int,System.Object):this (FullOpts)
        -167 (-100.00 % of base) : System.Net.Sockets.dasm - 

Top method regressions (percentages):
         167 (Infinity of base) : System.Net.Sockets.dasm - System.Net.Sockets.SocketAsyncEngine:TryRegisterSocket(long,System.Net.Sockets.SocketAsyncContext,byref,byref):ubyte (FullOpts)

Top method improvements (percentages):
        -167 (-100.00 % of base) : System.Net.Sockets.dasm - 
        -456 (-32.50 % of base) : System.Data.Common.dasm - System.Data.Common.ObjectStorage:Set(int,System.Object):this (FullOpts)

3 total methods with Code Size differences (2 improved, 1 regressed), 232459 unchanged.

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Artifacts:

• build-artifacts-main.zip (645 MB)
• build-clr-checked-main.zip (71 MB)
• build-artifacts-pr.zip (645 MB)
• build-clr-checked-pr.zip (71 MB)
• jit-diffs-corelib.zip (45 MB)
• diff-corelib.txt (433 B)
• diff-frameworks.txt (1 KB)
• jit-diffs-frameworks.zip (246 MB)
• build-logs.txt (1 MB)

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