Chris Kitching 893ee6d6ca Avoid a double-free of HipifyPPCallbacks instance ...

This bug was present all along, but something changed in the order
of de-initialisation performed by llvm that makes it actually
crash now.

The constructor of HipifyPPCallbacks gives:
```
std::unique_ptr<HipifyPPCallbacks>(this)
```
to the LLVM Preprocessor instance. The Preprocessor instance
subsequently frees the HipifyPPCallbacks, which is then freed
again when we leave the stack frame at line 4340.

So: let's leak the HipifyPPCallbacks onto the heap, and leave
the LLVM Preprocessor object responsible for tidying it up.

2017-10-19 17:09:32 +01:00

hipamd

Avoid a double-free of HipifyPPCallbacks instance

2017-10-19 17:09:32 +01:00

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