[PATCH] D19933: Make StringTableBuilder to cache hash values.

[Rui Ueyama via llvm-commits]

ruiu added a comment.

This change seems to speed up LLD a bit. Not too bad for a small patch.

Time to link Clang (debug build):

w/o patch 6.3696 seconds
w/patch   6.2746 seconds (-1.5%)


http://reviews.llvm.org/D19933