[Bug tree-optimization/119614] [15 regression] protobuf-29.4 fails to build with -O2 (error: cannot tail-call: call and return value are different)

[jakub at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119614

--- Comment #28 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Created attachment 61118
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=61118&action=edit
gcc15-pr119614-inc.patch

Comments in the form of an incremental patch.
Mostly formatting + testcase, plus removal of the || (!ipa_return_value_sum)
part, my understanding is that it can now handle either ipa_return_value_sum or
clone info.