[ORC] Remove an incorrect use of 'cantFail'.

This code was moved out from BasicObjectLayerMaterializationUnit, which required
the supplied object to be well formed. The getObjectSymbolFlags function does
not require a well-formed object, so we have to propagate the error here.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@338975 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed