user/guile: possible FTBFS on 32-bit ppc: prebuilt bytecode is invalid
Commit 16a519c0 indicates:
- https://debbugs.gnu.org/cgi/bugreport.cgi?bug=26854
- https://debbugs.gnu.org/cgi/bugreport.cgi?bug=38772
- https://debbugs.gnu.org/cgi/bugreport.cgi?bug=45214
Here's how Guix is fixing it (note optimization flags): 0002-gnu-guile-3.0-Fix-building-on-powerpc-linux.patch
We should bump this package anyway. Is graphviz the only consumer?