Longsheng Mou 4461b69022 [X86_32][C++] fix 0 sized struct case in vaarg. (#86388) ...

struct SuperEmpty { struct{ int a[0];} b;};
Such 0 sized structs in c++ mode can not be ignored in i386 for that c++
fields are never empty.But when EmitVAArg, its size is 0, so that
va_list not increase.Maybe we can just Ignore this kind of arguments,
like X86_64 did. Fix #86385.

2024-08-02 09:20:49 +08:00

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