We've been running doxygen with the autobrief option for a couple of
years now. This makes the \brief markers into our comments
redundant. Since they are a visual distraction and we don't want to
encourage more \brief markers in new code either, this patch removes
them all.
Patch produced by
for i in $(git grep -l '\\brief'); do perl -pi -e 's/\\brief //g' $i & done
Avoid emitting unnecessary basic block for cleanup chains. This is a
general approach that handles all cases while simplifying SILGen
emission and keeping the CFG in a valid state during SILGen.
