RFR(S): 8214352: C1: Unnecessary "compilation bailout: block join failed" with JVMTI
martin.doerr at sap.com
Tue Nov 27 11:03:32 UTC 2018
C1 currently bails out when a local value is derived from a Phi with different types.
According to comments, this case is supposed to be very rare, but it's not so rare when a JVMTI agent is used (capability "can_access_local_variables").
I'd like to fix this.
Issue with more detailed description:
Patch successfully ran through a substantial amount of tests with enabled "can_access_local_variables". Please review.
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