| 1 | class LoadedByParamClass {}; |
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| 2 | struct ParamClass { |
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| 3 | LoadedByParamClass some_func(); |
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| 4 | }; |
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| 5 | struct SomeClass { |
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| 6 | // LLDB stops in the constructor and then requests |
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| 7 | // possible expression completions. This will iterate over the |
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| 8 | // declarations in the translation unit. |
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| 9 | // The unnamed ParamClass parameter causes that LLDB will add |
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| 10 | // an incomplete ParamClass decl to the translation unit which |
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| 11 | // the code completion will find. Upon inspecting the ParamClass |
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| 12 | // decl to see if it can be used to provide any useful completions, |
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| 13 | // Clang will complete it and load all its members. |
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| 14 | // This causes that its member function some_func is loaded which in turn |
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| 15 | // loads the LoadedByParamClass decl. When LoadedByParamClass |
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| 16 | // is created it will be added to the translation unit which |
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| 17 | // will invalidate all iterators that currently iterate over |
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| 18 | // the translation unit. The iterator we use for code completion |
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| 19 | // is now invalidated and LLDB crashes. |
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| 20 | SomeClass(ParamClass) {} |
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| 21 | }; |
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| 22 | int main() { ParamClass e; SomeClass y(e); } |
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| 23 | |
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