[PATCH] [libcxx] Allow the use of ccache when running the test suite.

[Dan Albert]

> In http://reviews.llvm.org/D6647#101645, @danalbert wrote:

> 

> > Couldn't you just set cxx_under_test to 'ccache clang++' and be done with it?

> 

> 

> As it currently stands that wouldn't work. cxx_under_test is expected to be a single token.


That should be an easy fix though, right?


http://reviews.llvm.org/D6647

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