[LLVMbugs] [Bug 2423] New: Miscompilation with scalarrepl

[bugzilla-daemon at cs.uiuc.edu]

http://llvm.org/bugs/show_bug.cgi?id=2423

           Summary: Miscompilation with scalarrepl
           Product: new-bugs
           Version: unspecified
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: new bugs
        AssignedTo: unassignedbugs at nondot.org
        ReportedBy: sharparrow1 at yahoo.com
                CC: llvmbugs at cs.uiuc.edu


Created an attachment (id=1715)
 --> (http://llvm.org/bugs/attachment.cgi?id=1715)
Testcase

To reproduce: compare output of "lli bugpoint-passinput.bc" with "opt
-scalarrepl bugpoint-passinput.bc -o - | lli".  (The former silently returns,
the latter aborts.)

The testcase is a bit big, but I like to be conservative with miscompilation
bugs, since it's easy to break the testcase.

This testcase comes from clang compiling struct-layout-1.exp.  It's possible
this is clang's fault, but it seems unlikely.


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