Mercurial > hg > graal-jvmci-8
diff src/share/vm/opto/type.cpp @ 17795:a9becfeecd1b
Merge
author | kvn |
---|---|
date | Wed, 22 Jan 2014 17:42:23 -0800 |
parents | 5231c2210388 15120a36272d |
children | 45467c53f178 |
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--- a/src/share/vm/opto/type.cpp Thu Jan 16 14:25:51 2014 +0100 +++ b/src/share/vm/opto/type.cpp Wed Jan 22 17:42:23 2014 -0800 @@ -3818,17 +3818,17 @@ tary = TypeAry::make(Type::BOTTOM, tary->_size, tary->_stable); } } else // Non integral arrays. - // Must fall to bottom if exact klasses in upper lattice - // are not equal or super klass is exact. - if ( above_centerline(ptr) && klass() != tap->klass() && - // meet with top[] and bottom[] are processed further down: - tap ->_klass != NULL && this->_klass != NULL && - // both are exact and not equal: - ((tap ->_klass_is_exact && this->_klass_is_exact) || - // 'tap' is exact and super or unrelated: - (tap ->_klass_is_exact && !tap->klass()->is_subtype_of(klass())) || - // 'this' is exact and super or unrelated: - (this->_klass_is_exact && !klass()->is_subtype_of(tap->klass())))) { + // Must fall to bottom if exact klasses in upper lattice + // are not equal or super klass is exact. + if ((above_centerline(ptr) || ptr == Constant) && klass() != tap->klass() && + // meet with top[] and bottom[] are processed further down: + tap->_klass != NULL && this->_klass != NULL && + // both are exact and not equal: + ((tap->_klass_is_exact && this->_klass_is_exact) || + // 'tap' is exact and super or unrelated: + (tap->_klass_is_exact && !tap->klass()->is_subtype_of(klass())) || + // 'this' is exact and super or unrelated: + (this->_klass_is_exact && !klass()->is_subtype_of(tap->klass())))) { tary = TypeAry::make(Type::BOTTOM, tary->_size, tary->_stable); return make(NotNull, NULL, tary, lazy_klass, false, off, InstanceBot); }