[llvm-bugs] [Bug 26073] New: [WinEH] optimizing functions can cause assertions when writing obj or asm

[via llvm-bugs]

https://llvm.org/bugs/show_bug.cgi?id=26073

            Bug ID: 26073
           Summary: [WinEH] optimizing 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

Here's another one: 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: !KeyInfoT::isEqual(Val, EmptyKey) && !KeyInfoT::isEqual(Val,
T
ombstoneKey) && "Empty/Tombstone value shouldn't be inserted into map!", file
C:
\s\d\ldc\llvm\include\llvm/ADT/DenseMap.h, line 484

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