Update LineNumbers to ignore all kinds of exceptions when reading classes with ASM, so Guice is less finicky about the precise .class version & ASM version. A while ago I had tried to do this by ignoring UnsupportedOperationException, but per https://github.com/google/guice/issues/1654, ASM doesn't always throw UOE. #1678
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Update LineNumbers to ignore all kinds of exceptions when reading classes with ASM, so Guice is less finicky about the precise .class version & ASM version. A while ago I had tried to do this by ignoring UnsupportedOperationException, but per #1654, ASM doesn't always throw UOE.
This change will log a single failure when Guice encounters an exception while reading classfiles and warn that ASM may be out of date.
The consequences of this failing all line number reading (due to, say, an accidental bug introduced while parsing classfiles) is that Guice won't emit line numbers for bind statements in modules (as binding source locations). A number of other tests would fail in that scenario, warning us that something is off.