mirror of https://github.com/golang/go.git
f2bd3a977d
On 6l and 8l, this is a real instruction, guaranteed to cause an 'undefined instruction' exception. On 5l, we simulate it as BL to address 0. The plan is to use it as a signal to the linker that this point in the instruction stream cannot be reached (hence the changes to nofollow). This will help the compiler explain that panicindex and friends do not return without having to put a list of these functions in the linker. R=ken2 CC=golang-dev https://golang.org/cl/6255064 |
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