Descriptionutil/util.h: Replace an include of <iostream> with <ostream>.
util.h included <iostream> which registers an atexit destructor which slows down the shutdown process. This is not necessary, because only ostreams are used in the code.
Patch Set 1 #Patch Set 2 : diff -r add9b9a67bf7 https://re2.googlecode.com/hg #MessagesTotal messages: 3
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