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Merge pull request #12852 from aathan/patch-9

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Update reference-types.rst
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@ -85,8 +85,10 @@ Data locations are not only relevant for persistency of data, but also for the s
// The following does not work; it would need to create a new temporary /
// unnamed array in storage, but storage is "statically" allocated:
// y = memoryArray;
// This does not work either, since it would "reset" the pointer, but there
// is no sensible location it could point to.
// Similarly, "delete y" is not valid, as assignments to local variables
// referencing storage objects can only be made from existing storage objects.
// It would "reset" the pointer, but there is no sensible location it could point to.
// For more details see the documentation of the "delete" operator.
// delete y;
g(x); // calls g, handing over a reference to x
h(x); // calls h and creates an independent, temporary copy in memory