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authorHexSegfaultCat <167362716+HexSegfaultCat@users.noreply.github.com>2024-04-18 21:57:06 +0200
committerGitHub <noreply@github.com>2024-04-18 21:57:06 +0200
commit558bbb7426b21156b6ad5f8834a62cdf067a2ac3 (patch)
treec991361beb1488b6642a095187d7677fcaa51e80 /compiler/ccgreset.nim
parent229c125d2f66bf983b16b7b56b6e7aeff58f7663 (diff)
downloadNim-558bbb7426b21156b6ad5f8834a62cdf067a2ac3.tar.gz
Fix duplicated member declarations in structs for C++ backend (#23512)
When forward declaration is used with pragmas `virtual` or `member`, the
declaration in struct is added twice. It happens because of missing
check for `sfWasForwarded` pragma.

Current compiler generates the following C++ code:
```cpp
struct tyObject_Foo__fFO9b6HU7kRnKB9aJA1RApKw {
N_LIB_PRIVATE N_NOCONV(void, abc)(NI x_p1);
N_LIB_PRIVATE N_NOCONV(virtual void, def)(NI y_p1);
N_LIB_PRIVATE N_NOCONV(void, abc)(NI x_p1);
N_LIB_PRIVATE N_NOCONV(virtual void, def)(NI y_p1);
};
```
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