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9c3402aa1e
We don't use them, so add a compiler warning about their use. I think they are annoying, because sizeof(x) and typeof(x) might evaluate at runtime. Especially the typeof() extension is useful for macros, but behaves badly with variable-length arrays due to running code at runtime. But the worst is, G_STATIC_ASSERT() is implemented by declaring an array of negative length. Usually, the checked condition should be a compile time constant, but with VLAs the compiler would not evaluate the static-assert at compile time and instead accept it silently. It's easy to mess up static asserts to wrongly have a non-constant condition, especially when the static-assert is used inside a macro. Just say no. |
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