[LLVMbugs] [Bug 4613] New: Member variable incorrectly overwritten when assigning value to other member variable

[bugzilla-daemon at cs.uiuc.edu]

http://llvm.org/bugs/show_bug.cgi?id=4613

           Summary: Member variable incorrectly overwritten when assigning
                    value to other member variable
           Product: tools
           Version: 2.5
          Platform: PC
        OS/Version: FreeBSD
            Status: NEW
          Severity: normal
          Priority: P2
         Component: llvm-g++
        AssignedTo: unassignedbugs at nondot.org
        ReportedBy: avleeuwen at gmail.com
                CC: baldrick at free.fr, llvmbugs at cs.uiuc.edu


Created an attachment (id=3237)
 --> (http://llvm.org/bugs/attachment.cgi?id=3237)
Testcase that shows incorrectly overwritten member variable

When compiling and running the attached program using llvm-g++ 2.5 on my
system, it will output "Test failed", indicating that a member variable that
was not written to by the user has been overwritten.

The member variable that is being incorrectly overwritten ('info') is preceded
by three int member variables and a struct member variable. Assigning a value
to the struct member variable using the return value of a function causes info
to be overwritten as well.

I compiled the file using
$ llvm-g++ -g -o test test.cpp

System details:
FreeBSD 7.2 / amd64 (64-bit)
llvm 2.5
Compiled using gcc 4.2.1 (system compiler)


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