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When importing C++ class template instantiations, Swift generates a type name for each instantiation. The generated names must be unique, since they are used for mangling. If multiple different C++ types declare nested types with the same name, which are then used as template arguments, Swift was generating the same name for those template instantiations (e.g. `shared_ptr<Impl>` for different `Impl` types). This change makes sure we use fully-qualified type names of template parameters when generating Swift type names for class template instantiations (e.g. `shared_ptr<MyNamespace.MyClass.Impl>`). This fixes an assertion failure coming out of IRGen: ``` Assertion failed: (Buffer.empty() && "didn't claim all values out of buffer"), function ~ConstantInitBuilderBase, file ConstantInitBuilder.h, line 75. ``` rdar://141962480
32 lines
653 B
C++
32 lines
653 B
C++
#ifndef TEST_INTEROP_CXX_TEMPLATES_INPUTS_CLASS_TEMPLATE_IN_NAMESPACE_H
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#define TEST_INTEROP_CXX_TEMPLATES_INPUTS_CLASS_TEMPLATE_IN_NAMESPACE_H
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namespace Space {
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template <class...> struct Ship;
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template <class T, class... Args> struct Ship<T(Args...)> {};
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using Orbiter = Ship<void(bool)>;
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template <class T>
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struct Box {
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T value;
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};
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using IntBoxWithinNS = Box<int>;
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using BoxOfIntBoxWithinNS = Box<Box<int>>;
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namespace NestedNS1 {
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struct Impl {};
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using ImplBox1 = Box<Impl>;
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}
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namespace NestedNS2 {
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struct Impl {};
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using ImplBox2 = Box<Impl>;
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}
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} // namespace Space
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#endif // TEST_INTEROP_CXX_TEMPLATES_INPUTS_CLASS_TEMPLATE_IN_NAMESPACE_H
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