[Bug rtl-optimization/72488] [7 Regression] wrong code (SIGFPE) at -Os and above on x86_64-linux-gnu (in the 64-bit mode)

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=72488

--- Comment #13 from Richard Biener <rguenth at gcc dot gnu.org> ---
Ah.

Setting value number of t34_9752(D) to t34_9752(D) (changed)
Setting value number of t42_9760(D) to t42_9760(D) (changed)
WARNING: Giving up with SCCVN due to SCC size 10003 exceeding 10000

so we're failing to call scc_vn_restore_ssa_info when we fail this way.  oops.