build: build v8 with -fvisibility=hidden on non-macOS platforms too #56290
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V8 should be built with -fvisibility=hidden, otherwise the resulting binary would contain unnecessary symbols. In particular, on macOS, this leads to 5000+ weak symbols resolved at runtime, leading to a startup regression. On macOS this also reduces the binary size about ~10MB. It's only enabled on macOS in this patch as gcc can time out or run out of memory on some machines in the CI with -fvisibility=hidden.
This enables -fvisibility=hidden on platforms other than macOS, wherever it's supported.
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FWIW changing compile/link options will invalidate any stored CCACHE entries, which would result in more of V8 having to be recompiled. Generally most of the x64 CI machines in Jenkins are now 4 GB RAM + swap (2 GB). Anything running on a machine with |
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Split from #56275 since it seems to cause gcc on some machines in the CI to time out or run out of memory. Trying to see if it's just a CI hiccup or if it's something that needs to be worked around.