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llvm: Disable copy for SingleThreadExecutor #168782

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Nov 21, 2025
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llvm: Disable copy for SingleThreadExecutor #168782

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6 changes: 6 additions & 0 deletions llvm/include/llvm/Support/ThreadPool.h
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Expand Up @@ -225,6 +225,12 @@ class LLVM_ABI SingleThreadExecutor : public ThreadPoolInterface {
/// Blocking destructor: the pool will first execute the pending tasks.
~SingleThreadExecutor() override;

// Excplicitly disable copy. This is necessary for the MSVC LLVM_DYLIB build
// because MSVC tries to generate copy constructor and assignment operator
// for classes marked with `__declspec(dllexport)`.
SingleThreadExecutor(const SingleThreadExecutor &) = delete;
SingleThreadExecutor &operator=(const SingleThreadExecutor &) = delete;

/// Blocking wait for all the tasks to execute first
void wait() override;

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