Move test for reduction of Math.imul to unittest.

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

Review URL: https://codereview.chromium.org/591373003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24144 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Remove temporary work-around for PDFium

BUG=none
R=bmeurer@chromium.org, svenpanne@chromium.org
LOG=n

Review URL: https://codereview.chromium.org/598513002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24145 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Made the detailed reason for deopts mandatory on ia32. Unified and improved things.

The number of different detail strings has been reduced a bit without
any loss of information. Furthermore, DoubleToI is a bit more
informative now. Tiny reason fixes.

R=jarin@chromium.org

Review URL: https://codereview.chromium.org/591393002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24146 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
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