src/share/vm/opto/doCall.cpp

rev 5774 : 8031752: Failed speculative optimizations should be reattempted when root of compilation is different
Summary: support for speculative traps that keep track of the root of the compilation in which a trap occurs.
Reviewed-by:

*** 259,269 ****
              }
            }
            CallGenerator* miss_cg;
            Deoptimization::DeoptReason reason = morphism == 2 ?
                                      Deoptimization::Reason_bimorphic :
!                                     Deoptimization::Reason_class_check;
            if ((morphism == 1 || (morphism == 2 && next_hit_cg != NULL)) &&
                !too_many_traps(jvms->method(), jvms->bci(), reason)
               ) {
              // Generate uncommon trap for class check failure path
              // in case of monomorphic or bimorphic virtual call site.
--- 259,269 ----
              }
            }
            CallGenerator* miss_cg;
            Deoptimization::DeoptReason reason = morphism == 2 ?
                                      Deoptimization::Reason_bimorphic :
!                                     (speculative_receiver_type == NULL ? Deoptimization::Reason_class_check : Deoptimization::Reason_speculate_class_check);
            if ((morphism == 1 || (morphism == 2 && next_hit_cg != NULL)) &&
                !too_many_traps(jvms->method(), jvms->bci(), reason)
               ) {
              // Generate uncommon trap for class check failure path
              // in case of monomorphic or bimorphic virtual call site.