[csmith-project/creduce] 431cc2: Require LLVM 3.6+.

[Eric Eide <eeide@cs.utah.edu>]

  Branch: refs/heads/master
  Home:   https://github.com/csmith-project/creduce
  Commit: 431cc28ac558ccdc2d9604efb593783ce015e7a2
      https://github.com/csmith-project/creduce/commit/431cc28ac558ccdc2d9604efb593783ce015e7a2
  Author: Eric Eide <eeide@cs.utah.edu>
  Date:   2015-05-01 (Fri, 01 May 2015)

  Changed paths:
    M configure
    M configure.ac

  Log Message:
  -----------
  Require LLVM 3.6+.