Revert "Revert "Upgrade to 5.0.71.48"" DO NOT MERGE

This reverts commit f2e3994fa5148cc3d9946666f0b0596290192b0e,
and updates the x64 makefile properly so it doesn't break that
build.

FPIIM-449

Change-Id: Ib83e35bfbae6af627451c926a9650ec57c045605
(cherry picked from commit 109988c7ccb6f3fd1a58574fa3dfb88beaef6632)
diff --git a/src/compiler/ppc/instruction-scheduler-ppc.cc b/src/compiler/ppc/instruction-scheduler-ppc.cc
index fc90cdd..fd1df6a 100644
--- a/src/compiler/ppc/instruction-scheduler-ppc.cc
+++ b/src/compiler/ppc/instruction-scheduler-ppc.cc
@@ -81,7 +81,9 @@
     case kPPC_Int64ToDouble:
     case kPPC_Uint64ToFloat32:
     case kPPC_Uint64ToDouble:
+    case kPPC_Int32ToFloat32:
     case kPPC_Int32ToDouble:
+    case kPPC_Uint32ToFloat32:
     case kPPC_Uint32ToDouble:
     case kPPC_Float32ToDouble:
     case kPPC_DoubleToInt32: