Fix Double/Single.ConvertToIntegerNative for non-primitive types in interpreter#122342
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janvorli merged 1 commit intodotnet:mainfrom Dec 10, 2025
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The current logic handles the System.Double/Single.ConvertToIntegerNative always as must expand and fails with NO_WAY if the integer type is not primitive. However, that makes it incorrectly fail e.g. when the integer type is Int128. This change fixes it by using the compiled version of the function for non-primitive types.
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Pull request overview
This PR fixes a bug in the interpreter where System.Double/Single.ConvertToIntegerNative incorrectly fails for non-primitive integer types like Int128. The fix allows these conversions to fall back to the compiled method implementation instead of attempting to expand the intrinsic inline.
Key Changes:
- Modified the intrinsic expansion logic to return
falsefor non-primitive target types instead of jumping to a failure handler - Added explanatory comment documenting why non-primitive types use the compiled method path
3 tasks
davidwrighton
approved these changes
Dec 9, 2025
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The current interpreter logic handles the
System.Double/Single.ConvertToIntegerNative always as must expand and fails with NO_WAY if the integer type is not primitive. However, that makes it incorrectly fail e.g. when the integer type is Int128.
This change fixes it by using the compiled version of the function for non-primitive types.
It fixes the following libraries tests: