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comparison src/share/vm/classfile/verificationType.cpp @ 1677:a5c9d63a187d

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6964170: Verifier crashes Summary: Check if klassOop != NULL rather than klass_part != NULL Reviewed-by: kamg, never
author apangin
date Tue, 20 Jul 2010 08:41:42 -0700
parents c18cbe5936b8
children 60f88489896f
comparison
equal deleted inserted replaced
1676:920aa833fd16 1677:a5c9d63a187d
68 return instanceKlass::cast(from_class)->is_subclass_of(this_class); 68 return instanceKlass::cast(from_class)->is_subclass_of(this_class);
69 } 69 }
70 } else if (is_array() && from.is_array()) { 70 } else if (is_array() && from.is_array()) {
71 VerificationType comp_this = get_component(CHECK_false); 71 VerificationType comp_this = get_component(CHECK_false);
72 VerificationType comp_from = from.get_component(CHECK_false); 72 VerificationType comp_from = from.get_component(CHECK_false);
73 return comp_this.is_assignable_from(comp_from, context, CHECK_false); 73 if (!comp_this.is_bogus() && !comp_from.is_bogus()) {
74 return comp_this.is_assignable_from(comp_from, context, CHECK_false);
75 }
74 } 76 }
75 return false; 77 return false;
76 } 78 }
77 79
78 VerificationType VerificationType::get_component(TRAPS) const { 80 VerificationType VerificationType::get_component(TRAPS) const {
96 component = SymbolTable::lookup( 98 component = SymbolTable::lookup(
97 name(), 2, name()->utf8_length() - 1, 99 name(), 2, name()->utf8_length() - 1,
98 CHECK_(VerificationType::bogus_type())); 100 CHECK_(VerificationType::bogus_type()));
99 return VerificationType::reference_type(component); 101 return VerificationType::reference_type(component);
100 default: 102 default:
101 ShouldNotReachHere(); 103 // Met an invalid type signature, e.g. [X
102 return VerificationType::bogus_type(); 104 return VerificationType::bogus_type();
103 } 105 }
104 } 106 }
105 107
106 #ifndef PRODUCT 108 #ifndef PRODUCT