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Re: PR tree-optimization/45605


> I've unforutnately reproduced this too with the final checking before commit.
> I tested other parts except for the folding itself in gimplify separately and comitted them.
> I guess we are seeing a previously latent issue in folding. I tried to debug it but gdb
> seems especially unhlepful on binaries produced by new GCC (I can't single step etc.)
> I saw this behaviour for a while but never really needed to debug new gcc.
> I guess I will need updated gdb...
Hmm, actually I can use stage1 gnat ;)
The problem is that get_symbol_constant_value expect varpool to be built (to
check const_value_known) and it is not.  I already have plan for this to deal
with early folding, so I will push those patches first and then follow with the
actual folding change.

Honza


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