aaupov wrote:

> > > Let's make `hasCFI()` return true for injected functions.
> > 
> > 
> > Given that this change increases the size of eh_frame section, should we 
> > make it dependent on `enable-bat`, i.e. when we expect to feed the binary 
> > back to BOLT?
> > Because otherwise this "fix" is a pure size regression.
> 
> Creating a proper FDE entry is the right thing to do regardless of BAT. How 
> large is the regression?

The largest I've seen is 34M->39M (HHVM instrumentation).

https://github.com/llvm/llvm-project/pull/87967
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