[llvm] r208021 - [Support/MemoryBuffer] Move the IsVolatile check inside shouldUseMmap() and make sure to zero-initialize the rest
rafael.espindola at gmail.com
Tue May 6 16:11:25 PDT 2014
>> * If using mmap we will have to report fatal errors since we cannot
>> guarantee that the null terminator will be there if the file size
> How can we report fatal errors when using mmap ? mmap will map the page when the caller tries to read that memory part, at which point I don't see what we can do about it.
True. The lexer will just be surprised by a missing null :-( It would
be nice to handle that, but I assume that doing that has a substantial
cost, otherwise we wouldn't have all this setup just to get an ending
In any case, looks like the correct thing to do is just delete the assert.
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