Hi Anton,
> Please find attached patch, which fixes LLVM's behaviour during code
> emission in LPs.
>
> Currently AddLandingPad() function emits llvm.eh.exception only for
> TRY_EXCEPT blocks. But sometimes (see, e.g. g++.dg/eh/unexpected1.C) gcc
> generates code of form:
>
> try {
> throw();
> } finally {
> ....
> Unwind_Resume();
> }
>
> so, the exception is rethrown upper. In order to correctly handle this
> situation we should emit landing pad info for TRY_FINALLY blocks also.
> Attached patch does this.
while this patch works, I think it is suboptimal in some cases.
I am still investigating how to avoid this suboptimality. I suggest
this patch be put on hold for a day or two until I have finished.
Ciao,
Duncan.
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