2015-08-04  Thomas Preud'homme  <thomas.preudhomme@arm.com>

    gcc/
    PR tree-optimization/67043
    * loop-invariant.c (move_invariant_reg): Recompute luids in loop
    preheader after hoisting invariant in it.
    (find_defs): Force recomputation of all luids.

    gcc/testsuite/
    PR tree-optimization/67043
    * gcc.dg/pr67043.c: New test.

From-SVN: r226540