[release/9.0-preview2] Fix the new EH with hot-cold split code#99015
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carlossanlop merged 1 commit intoFeb 27, 2024
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The new EH was not taking into account the fact that with hot-cold split methods, the offset used for looking up EH funclets need to be computed as if the hot and cold regions were consecutive in memory. That have caused failures in a number of tests when the tests themselves were compiled with R2R and hot-cold split enabled. Close #98915, #98916, #98917, #98918
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Backport of #99012 to release/9.0-preview2
/cc @carlossanlop @janvorli
Customer Impact
When a customer compiles their own application with R2R and hot/cold code split enabled, the exception handling would miss catch / finally / exception filters in the cold code.
Regression
#98570 - enables the new exception handling by default.
Testing
Local testing and debugging of the tests that have failed due to the problem.
Risk
Low, it doesn't influence behavior with hot-cold splitting disabled, which is the default and has been well tested during the past months.