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authorshyouhei <shyouhei@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2018-05-01 04:41:10 +0000
committershyouhei <shyouhei@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2018-05-01 04:41:10 +0000
commit496ddbc275049fbfe2ab1e320903dab0beec0fd3 (patch)
tree831422bcb7974e41780745c3b2f9ab6ac5459c46 /ext
parent766ee6e55077a9cb2fd1f3092a95b5ded795161f (diff)
LIST_HEAD as a local variable is a C99ism.
Address of a variable whose storage duration is `auto` is _not_ a compile time constant, according to ISO 9899 section 6.4. LIST_HEAD takes such thing. You can't use it to declare local variables. Interestingly, address of a static variable _is_ a compile time constant. So a declaration like `static LIST_HEAD..` is completely legal even in C90. In C99 and newer, this is not a constraint violation. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@63312 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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