[LLVMbugs] [Bug 683] NEW: x86fastcc and allocas cause stange crashes

[bugzilla-daemon at cs.uiuc.edu]

http://llvm.cs.uiuc.edu/bugs/show_bug.cgi?id=683

           Summary: x86fastcc and allocas cause stange crashes
           Product: libraries
           Version: trunk
          Platform: PC
        OS/Version: FreeBSD
            Status: NEW
          Severity: critical
          Priority: P2
         Component: Backend: X86
        AssignedTo: unassignedbugs at nondot.org
        ReportedBy: alex at inga.mit.edu


I appologize for the large test case. The bug dissapears when code is added. It
almost certainly has something to do with stack allocation, but i don't know
what else :( 

To help understand the code, the this is a very stripped down version of the
code my scheme compiler produce for a 'fib' function. The fib function is called
with the scheme representation of '3'. It doesn't break on 2 or 1.



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