Filipe Cabecinhas 4a7d22d5ac Verify sizes when trying to read a BitcodeAbbrevOp ...

Summary:
Make sure the abbrev operands are valid and that we can read/skip them
afterwards.

Bug found with AFL fuzz.

Reviewers: rafael

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D9030

llvm-svn: 235595

2015-04-23 13:25:35 +00:00

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