WebAs Ed Catmur correctly analyzed, this is because, for the test above, we call start_decl with prefix_attributes=noreturn, but this line: attributes = attr_chainon (attributes, … WebThis function attribute informs the compiler that the function does not return. The compiler can then perform optimizations by removing the code that is never reached. Note This function attribute is a GNU compiler extension that the ARM compiler supports. It has the __declspec equivalent __declspec (noreturn).
C attribute: noreturn, _Noreturn (since C23) - cppreference.com
WebBuild regressions/improvements in v4.16-rc6. Geert Uytterhoeven Mon, 19 Mar 2024 06:56:57 -0700 WebThis table collects all gcc warnings used with C++ not enabled by some other option (e.g. -Wall) and indicates the first gcc version the warning appeared in if it’s later than gcc 4.6. It was generated from the files gcc/ {common,c-family/c}.opt in basepoints/gcc-11-2851-g050fc8b27a8 commit of gcc source tree using show-gcc-warnings script. spectrum floors nuway
i,mx6ull 正点原子官方内核编译报错。-OpenEdv-开源电子网
WebInclude/linux/log2.h:22:1: error: ignoring attribute ‘noreturn’ because it conflicts with attribute ‘const’ [-Werror=attributes] int ____ilog2_NaN (void); — #clang — … Web6 jan. 2024 · 一些库函数，本身没有返回值，例如abort（）和exit（），在编译的时候，GCC自动按照这个规则编译。而对于自己定义的函数，如果你不想让它有返回值，那 … Web其中的 [ [ noreturn ]] 就是属性列表，其中 [ [ ... ]] 内可以有多个属性，noreturn这个属性告诉编译器，这个函数不返回，如果在代码中返回了（正常执行完毕或者用return），那么编译产生警告。 1.2 标准属性 C++ 标准仅定义下列属性。 编译器厂商也可以自定义属性。 例如 GNU 的 [ [hot]]、[ [always_inline]] ，微软的 [ [__declspec (xxx)]] 等。 2.语法 2.1 属性列 … spectrum floors international