mirror of
https://github.com/lua/lua.git
synced 2025-01-28 06:03:00 +08:00
e0260eb2d4
The function 'isinstack' tried to work around the undefined behavior of subtracting two pointers that do not point to the same object, but the compiler killed to trick. (It optimizes out the safety check, because in a correct execution it will be always true.)