[llvm-dev] gcc 4.8 has trouble to build r256337

[Liu Xin via llvm-dev]

Sanjoy's latest patch uses C++11 feature.  my gcc has trouble to deal with it. 
is it intentional, llvm just drop support of gcc 4.8.2?


$ gcc --version
gcc (Ubuntu 4.8.2-19ubuntu1) 4.8.2
Copyright (C) 2013 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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