Mercurial > hg > graal-jvmci-8
diff src/share/vm/opto/type.cpp @ 14228:e045e1876610
8027571: fatal error: meet not symmetric
Summary: meet of one constant array and one exact array not symmetric.
Reviewed-by: kvn
author | roland |
---|---|
date | Tue, 07 Jan 2014 16:02:10 +0100 |
parents | 6c2f07d1495f |
children | 5ec7dace41a6 abec000618bf |
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--- a/src/share/vm/opto/type.cpp Tue Jan 07 14:36:34 2014 +0100 +++ b/src/share/vm/opto/type.cpp Tue Jan 07 16:02:10 2014 +0100 @@ -3812,17 +3812,17 @@ 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); }