Markus Böck cedeb31e6d [mlir] Support null interface to base conversion (#65988) ...

The current implicit conversion operator from an interface to a "base
interface" of the interface unconditionally calls `this->getImpl()`
which leads to accessing a null pointer if the interface instance is a
null instance.

This PR changes the ODS generated interface instance to explicitly check
and then return a null interface instance if the `this` instance is a
null instance.

2023-09-12 08:42:47 +02:00

3.0 KiB

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