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f7617f7f90
Formatting this piece of code made the program crash.
```
class TypedVecListRegOperand<RegisterClass Reg, int lanes, string eltsize>
: RegisterOperand<Reg, "printTypedVectorList<" # lanes # ", '"
# eltsize # "'>">;
```
The line starting with the `#` was treated as a separate preprocessor
directive line. Then the code dereferenced a null pointer when it tried
to continue parsing the first line that did not end in a semicolon.
Now the 2 problems are fixed.