[Webkit-unassigned] [Bug 153464] [mips] fix offsets of branches that have to go over a jump

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=153464

--- Comment #9 from Guillaume Emont <guijemont at igalia.com> ---
Created attachment 270897
  --> https://bugs.webkit.org/attachment.cgi?id=270897&action=review
Test to reproduce

This is a first attempt at a test to reproduce the issue. On my device, this tends to crash, and I could verify that it is when the generated function is overlapping two 256MB segments, though I did not fully analyze the reason for the crash, and if it is indeed our bug (did not really want to step through 32MB of JIT'ed code).

I verified that it is overlapping two segments using --dumpDisassembly=true. On mips it does not provide disassembly, and it provides a lot of information, but among it is the address at which the JIT'ed code is.

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