Add some IL validity checks to interpreter #120682
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This change adds validity checks that calls BADCODE around some EH stuff and varargs calls and also replaces assert(0) in the primitive type conversion operations with BADCODE calls for the cases when invalid type conversions are requested.
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Pull Request Overview
This PR enhances IL validity checks in the interpreter by adding error handling for unsupported operations and invalid IL code patterns. The changes replace assert(0) calls with proper BADCODE error reporting and add validation for exception handling constructs and method calls.
Key changes:
- Adds validation for proper termination of emitted instruction sequences
- Introduces checks for unsupported varargs method calls
- Replaces assertion failures with descriptive BADCODE error messages for invalid type conversions
davidwrighton
approved these changes
Oct 13, 2025
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This change adds validity checks that calls BADCODE around some EH stuff and varargs calls and also replaces assert(0) in the primitive type conversion operations with BADCODE calls for the cases when invalid type conversions are requested.