I think we should do this, and I'll try to give a plausibly principled
rationale.
We have two uses of {}s that I care about: braced init lists and blocks. For
braced init lists, we routinely omit padding spaces around the {}s:
foo({x, y z});
return {{1, 2, 3}};
On the other hand, with every block example I can come up with, we have spaces
around the {}s:
if (...) {
}
int f() {
}
auto f() {
}
auto f() -> int {
}
[] {}, []() {}, []() mutable {}, []() -> int {}
It makes much more sense to me to have a space even in the presence of a
pointer (or reference).
http://reviews.llvm.org/D10410
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