`optimizer_symbols.c`: `make_bottom` NULL deref when arena full
Bug report
Bug description:
optimizer_symbols.c: make_bottom NULL deref when arena full
sym_new(ctx) at line 1535 can return NULL when the type arena is full. Result immediately dereferenced without check. Every other sym_new call site checks for NULL.
This is a sub-issue of #146102 with gist details
CPython versions tested on:
CPython main branch
Operating systems tested on:
Windows