[Bug ipa/106158] IPA SRA ssa_name_only_returned_p is quadratic

[jamborm at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106158

--- Comment #4 from Martin Jambor <jamborm at gcc dot gnu.org> ---
(In reply to Richard Biener from comment #3)
> it looks like the testcase no longer shows the issue(?) but the code in IPA
> SRA didn't really change here

I have fixed quadratic behavior in ipa-param-manipulation.cc two weeks ago, so
perhaps the real problem was there.  ssa_name_only_returned_p is on my TODO
list :-)