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JIT: Disallow tailcall stress in async methods #122869

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jakobbotsch merged 1 commit into from
Jan 6, 2026
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JIT: Disallow tailcall stress in async methods #122869

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3 changes: 2 additions & 1 deletion src/coreclr/jit/compiler.h
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Original file line number Diff line number Diff line change
Expand Up @@ -10552,7 +10552,8 @@ class Compiler
// Do not stress tailcalls in IL stubs as the runtime creates several IL
// stubs to implement the tailcall mechanism, which would then
// recursively create more IL stubs.
return !opts.jitFlags->IsSet(JitFlags::JIT_FLAG_IL_STUB) &&
// Tailcalls are also not allowed out of async methods, so do not stress in those either.
return !opts.jitFlags->IsSet(JitFlags::JIT_FLAG_IL_STUB) && !compIsAsync() &&
(JitConfig.TailcallStress() != 0 || compStressCompile(STRESS_TAILCALL, 5));
#else
return false;
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