Avoid stripping IL of non-async Task-returning methods#129884
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The IL of these may be needed at runtime to compile async versions.
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Pull request overview
This change updates ReadyToRun IL body stripping so the compiler retains real IL for methods whose IL may be needed at runtime (notably synchronous Task/ValueTask-returning methods that can have async variants), instead of replacing their bodies with the minimal throwing stub when --strip-il-bodies is enabled.
Changes:
- Replaces the previous “non-generic only” strip condition with a helper (
MayNeedILAtRuntime) that centralizes the decision. - Preserves IL for generic methods/types (existing behavior) and additionally for non-async
Task/ValueTask-returning methods.
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Once the crossgen2 support makes it in we could also consider being a bit more precise -- we can strip the IL body if we have compiled both the async and non-async variants. |
jkotas
added
runtime-async
area-ReadyToRun
and removed
area-crossgen2-coreclr
jkotas
approved these changes
Jun 26, 2026
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The IL of these may be needed at runtime to compile async versions.