Mercurial > hg > graal-jvmci-8

comparison src/share/vm/ci/ciTypeFlow.cpp @ 991:3a2aa26bdc58

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6854812: 6.0_14-b08 crashes with a SIGSEGV Reviewed-by: kvn, twisti
author never
date Wed, 16 Sep 2009 11:06:10 -0700
parents bd02caa94611
children 97125851f396
comparison
equal deleted inserted replaced
990:be094e0c089a 991:3a2aa26bdc58
2484 lp->set_irreducible(succ); 2484 lp->set_irreducible(succ);
2485 if (!succ->is_on_work_list()) { 2485 if (!succ->is_on_work_list()) {
2486 // Assume irreducible entries need more data flow 2486 // Assume irreducible entries need more data flow
2487 add_to_work_list(succ); 2487 add_to_work_list(succ);
2488 } 2488 }
2489 lp = lp->parent(); 2489 Loop* plp = lp->parent();
2490 assert(lp != NULL, "nested loop must have parent by now"); 2490 if (plp == NULL) {
2491 // This only happens for some irreducible cases. The parent
2492 // will be updated during a later pass.
2493 break;
2494 }
2495 lp = plp;
2491 } 2496 }
2492 2497
2493 // Merge loop tree branch for all successors. 2498 // Merge loop tree branch for all successors.
2494 innermost = innermost == NULL ? lp : innermost->sorted_merge(lp); 2499 innermost = innermost == NULL ? lp : innermost->sorted_merge(lp);
2495 2500