[LLVMbugs] [Bug 391] NEW: lli Doesn't Handle Exceptions From Bytecode Reader

[bugzilla-daemon at cs.uiuc.edu]

http://llvm.cs.uiuc.edu/bugs/show_bug.cgi?id=391

           Summary: lli Doesn't Handle Exceptions From Bytecode Reader
           Product: tools
           Version: trunk
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: lli
        AssignedTo: unassignedbugs at nondot.org
        ReportedBy: rspencer at x10sys.com


While testing my bytecode reader changes, I ran the regression tests and all 
the tests involving lli failed. The reason was that the bytecode reader was 
throwing an exception that lli was not handling so an abort occurred as the 
result of unhandled_exception(). While the bytecode reader was erroneously 
throwing exceptions, it is not inconceivable that it could do so. A disk I/O 
error could cause a mis-read which would almost certainly cause it to fail. 
The exception thrown contains a std::string& that has the error message. 

lli should be improved to catch std::string& from bytecode reader and 
terminate gracefully with the error message.



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