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
No tool does this currently, but as everything else in a module we should be able to change its DataLayout. Most of the fix is in DataLayout to make sure it can be reset properly. The test uses Module::setDataLayout since the fact that we mutate a DataLayout is an implementation detail. The module could hold a OwningPtr<DataLayout> and the DataLayout itself could be immutable. Thanks to Philip Reames for pushing me in the right direction. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@202198 91177308-0d34-0410-b5e6-96231b3b80d8