[mono][interp] Add missing intrinsic for Volatile.ReadBarrier/WriteBarrier#124538
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BrzVlad merged 1 commit intodotnet:mainfrom Feb 18, 2026
Merged
[mono][interp] Add missing intrinsic for Volatile.ReadBarrier/WriteBarrier#124538BrzVlad merged 1 commit intodotnet:mainfrom
BrzVlad merged 1 commit intodotnet:mainfrom
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…rrier For simplicity, this just adds full memory barriers. Previously, calling this code would lead to stack overflow due to recursively calling itself.
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Pull request overview
This PR updates Mono’s interpreter intrinsic handling to recognize System.Threading.Volatile.ReadBarrier and System.Threading.Volatile.WriteBarrier, preventing infinite recursion/stack overflow when these [Intrinsic] stub methods are executed under the interpreter.
Changes:
- Add interpreter intrinsic mapping for
Volatile.ReadBarrier()andVolatile.WriteBarrier(). - Implement the intrinsic by emitting an existing interpreter memory-barrier opcode.
kotlarmilos
approved these changes
Feb 18, 2026
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For simplicity, this just adds full memory barriers. Previously, calling this code would lead to stack overflow due to recursively calling itself.