http://llvm.org/bugs/show_bug.cgi?id=19627

            Bug ID: 19627
           Summary: Every use of AliasedSymbol is likely bug
           Product: libraries
           Version: trunk
          Hardware: PC
                OS: All
            Status: NEW
          Severity: normal
          Priority: P
         Component: MC
          Assignee: [email protected]
          Reporter: [email protected]
                CC: [email protected]
    Classification: Unclassified

AliasedSymbol is an approximation on what should actually happen in all uses I
have seen so far. Examples of cases it misses:

* Handling "a = b" but not "a = b + 1"
* Propagating information when it should not.
* Missing data about 'b' in:
  b = a
  c = b

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