llvm-toolchain/debian/patches/pr39427-misscompile.diff

30 lines
924 B
Diff

Index: llvm-toolchain-7-7/include/llvm/ADT/Optional.h
===================================================================
--- llvm-toolchain-7-7.orig/include/llvm/ADT/Optional.h
+++ llvm-toolchain-7-7/include/llvm/ADT/Optional.h
@@ -108,24 +108,6 @@ template <typename T, bool IsPodLike> st
}
};
-#if !defined(__GNUC__) || defined(__clang__) // GCC up to GCC7 miscompiles this.
-/// Storage for trivially copyable types only.
-template <typename T> struct OptionalStorage<T, true> {
- AlignedCharArrayUnion<T> storage;
- bool hasVal = false;
-
- OptionalStorage() = default;
-
- OptionalStorage(const T &y) : hasVal(true) { new (storage.buffer) T(y); }
- OptionalStorage &operator=(const T &y) {
- *reinterpret_cast<T *>(storage.buffer) = y;
- hasVal = true;
- return *this;
- }
-
- void reset() { hasVal = false; }
-};
-#endif
} // namespace optional_detail
template <typename T> class Optional {