Move test for reduction of Math.max to unittest.

R=bmeurer@chromium.org
TEST=compiler-unittests/JSBuiltinReducerTest.MathMax

Review URL: https://codereview.chromium.org/598523002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24147 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Fix Makefile regeneration for compiler-unittests.

R=bmeurer@chromium.org

Review URL: https://codereview.chromium.org/594823002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24148 ce2b1a6d-e550-0410-aec6-3dcde31c8c00