[llvm-bugs] [Bug 26069] New: [WinEH] inlining functions can cause assertions when writing obj or asm

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Thu Jan 7 16:32:59 PST 2016


https://llvm.org/bugs/show_bug.cgi?id=26069

            Bug ID: 26069
           Summary: [WinEH] inlining functions can cause assertions when
                    writing obj or asm
           Product: libraries
           Version: trunk
          Hardware: PC
                OS: Windows NT
            Status: NEW
          Severity: normal
          Priority: P
         Component: Backend: X86
          Assignee: unassignedbugs at nondot.org
          Reporter: r.sagitario at gmx.de
                CC: llvm-bugs at lists.llvm.org
    Classification: Unclassified

The attached IR builds fine with llc.

If you run "opt -O3" on it first, compiling the output with llc to an object or
assembly file produces:

Assertion failed: !isDeadObjectIndex(ObjectIdx) && "Getting frame offset for a
dead object?", file C:\s\d\ldc\llvm\include\llvm/CodeGen/MachineFrameInfo.h,
line
 444

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