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In C++, we always expected to invoke the dtor for moved-from objects. This is not the case for swift. Fortunately, @inCxx calling convention is already expressing that the caller supposed to destroy the object. This fixes the missing dtor calls when calling C++ functions taking rvalue references. Fixes #77894. rdar://140786022
22 lines
761 B
C
22 lines
761 B
C
#pragma once
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#include <cstdio>
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struct MoveOnly {
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int id;
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MoveOnly() : id(0) { printf("MoveOnly %d created\n", id); }
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MoveOnly(const MoveOnly&) = delete;
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MoveOnly(MoveOnly&& other) : id(other.id + 1) { printf("MoveOnly %d move-created\n", id); }
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~MoveOnly() { printf("MoveOnly %d destroyed\n", id); }
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};
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struct Copyable {
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int id;
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Copyable() : id(0) { printf("Copyable %d created\n", id); }
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Copyable(const Copyable& other) : id(other.id + 1) { printf("Copyable %d copy-created\n", id); }
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Copyable(Copyable&& other) : id(other.id + 1) { printf("Copyable %d move-created\n", id); }
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~Copyable() { printf("Copyable %d destroyed\n", id); }
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};
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inline void byRValueRef(MoveOnly&& x) {}
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inline void byRValueRef(Copyable&& x) {}
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