[Bug ipa/66896] ipa-prop.c:2479 runtime error: member call on null pointer of type 'struct ipa_polymorphic_call_context'

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66896

--- Comment #1 from Martin Liška <marxin at gcc dot gnu.org> ---
Created attachment 35994
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=35994&action=edit
Suggested patch