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atinseau
96581cb7d6
An island or relocation window could start in the int3 or nop padding after a jump or return and run into the next function. A function that only a pointer reaches, such as a virtual method, is not a known branch target, so its first bytes became the middle of a jump to a stub. An instruction that follows a jump, a return, a trap or padding after one of them can now only start a window. An int3 inside a window does not count as such an instruction, so a window that lies entirely in int3 padding is still used, as before; nop padding stays excluded, since a function built with -fpatchable-function-entry can begin with a nop.