LLVM/project b8d857ecompiler-rt/lib/interception/tests interception_win_test.cpp

[win/asan] Populate test for function GetInstructionSize. (#118204)

This puts the content of GetInstructionSize into a test.
There are 5 cases missing, which I have already or would like to propose
a fix later.
DeltaFile
+209-3compiler-rt/lib/interception/tests/interception_win_test.cpp
+209-31 files

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