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8331655: ClassFile API ClassCastException with verbose output of certain class files

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Reviewed-by: psandoz
This commit is contained in:
Adam Sotona 2024-05-03 19:15:12 +00:00
parent 36c9607f66
commit c1a164528a
2 changed files with 13 additions and 15 deletions
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17
src/java.base/share/classes/jdk/internal/classfile/impl/ClassReaderImpl.java
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@ -391,21 +391,10 @@ public final class ClassReaderImpl
@Override
public AbstractPoolEntry.Utf8EntryImpl utf8EntryByIndex(int index) {
if (index <= 0 || index >= constantPoolCount) {
throw new ConstantPoolException("Bad CP UTF8 index: " + index);
if (entryByIndex(index, TAG_UTF8, TAG_UTF8) instanceof AbstractPoolEntry.Utf8EntryImpl utf8) {
return utf8;
}
PoolEntry info = cp[index];
if (info == null) {
int offset = cpOffset[index];
int tag = readU1(offset);
final int q = offset + 1;
if (tag != TAG_UTF8) throw new ConstantPoolException("Not a UTF8 - index: " + index);
AbstractPoolEntry.Utf8EntryImpl uinfo
= new AbstractPoolEntry.Utf8EntryImpl(this, index, buffer, q + 2, readU2(q));
cp[index] = uinfo;
return uinfo;
}
return (AbstractPoolEntry.Utf8EntryImpl) info;
throw new ConstantPoolException("Not a UTF8 - index: " + index);
}
@Override