[cfe-dev] Questions about blocks

[Mike Miller]

Hi cfe-dev,

Couple questions about support for blocks in clang:

1. How does block support on Linux/FreeBSD compare with that of Mac OS X? Is
there a performance difference? If so, has anyone quantified it?

2. What is the status of blocks in C++ code? Can I use a block anywhere
(sensible) in a C++ function, and freely reference C++ objects within the
block? How does compiler-rt handle capturing the C++ objects?

3. (Somewhat OT for this mailing list) How well does GCD perform on
Linux/FreeBSD vs. Mac OS X? Has anyone quantified the differences?

Thanks!
Mike
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