[Bug tree-optimization/109274] [13 Regression] ice in in_chain_p, at gimple-range-gori.cc:119 starting with r13-6787-g0963cb5fde158cce986

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109274

--- Comment #3 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
I think:
--- gcc/gimple-range-gori.cc.jj 2023-03-23 15:25:47.060741116 +0100
+++ gcc/gimple-range-gori.cc    2023-03-24 14:30:38.272043631 +0100
@@ -632,10 +632,11 @@ gori_compute::compute_operand_range (vra
       if (!vrel_ptr && k == VREL_VARYING && op1 == op2)
        k = VREL_EQ;
       if (k != VREL_VARYING)
-       {
-        vrel.set_relation (k, op1, op2);
-        vrel_ptr = &vrel;
-       }
+       {
+         vrel.set_relation (k, op1, op2);
+         if (vrel.kind () != VREL_VARYING)
+           vrel_ptr = &vrel;
+       }
     }

   // Handle end of lookup first.
should fix this.