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comparison src/share/vm/code/dependencies.cpp @ 14272:757ec609d8d5

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8031695: CHA ignores default methods during analysis leading to incorrect code generation Reviewed-by: jrose, acorn, hseigel, lfoltan
author vlivanov
date Thu, 23 Jan 2014 01:23:23 +0400
parents 3aaa4b9966f6
children cb0dc98c287d
comparison
equal deleted inserted replaced
14271:7e8bd81ce93e 14272:757ec609d8d5
1221 // Statics are irrelevant to virtual call sites. 1221 // Statics are irrelevant to virtual call sites.
1222 if (m->is_static()) return false; 1222 if (m->is_static()) return false;
1223 1223
1224 // We could also return false if m does not yet appear to be 1224 // We could also return false if m does not yet appear to be
1225 // executed, if the VM version supports this distinction also. 1225 // executed, if the VM version supports this distinction also.
1226 // Default methods are considered "concrete" as well.
1226 return !m->is_abstract() && 1227 return !m->is_abstract() &&
1227 !InstanceKlass::cast(m->method_holder())->is_interface(); 1228 !m->is_overpass(); // error functions aren't concrete
1228 // TODO: investigate whether default methods should be
1229 // considered as "concrete" in this situation. For now they
1230 // are not.
1231 } 1229 }
1232 1230
1233 1231
1234 Klass* Dependencies::find_finalizable_subclass(Klass* k) { 1232 Klass* Dependencies::find_finalizable_subclass(Klass* k) {
1235 if (k->is_interface()) return NULL; 1233 if (k->is_interface()) return NULL;