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4 Commits

Author SHA1 Message Date
Filipe Cabecinhas fcd044b692 Check bit widths before trying to get a type. 
Added a test case for it.
Also added run lines for the test case in r227566.

Bugs found with afl-fuzz

llvm-svn: 227589
 2015-01-30 18:13:50 +00:00
Filipe Cabecinhas d0858e1037 [bitcode reader] Fix an assert on invalid type tables 
Bug found with afl-fuzz

llvm-svn: 227566
 2015-01-30 10:57:58 +00:00
Filipe Cabecinhas de968ecb05 [Bitcode] Diagnose errors instead of asserting from bad input 
Eventually we can make some of these pass the error along to the caller.

Reports a fatal error if:
We find an invalid abbrev record
We try to get an invalid abbrev number
We can't fill the current word due to an EOF

Fixed an invalid bitcode test to check for output with FileCheck

Bugs found with afl-fuzz

llvm-svn: 226986
 2015-01-24 04:15:05 +00:00
Filipe Cabecinhas 3ca723c9e5 Use report_fatal_error instead of llvm_unreachable, so we don't crash on user input 
llvm-svn: 226248
 2015-01-16 04:54:12 +00:00