Merge bleeding edge up to 9192 into the GC branch.

src/platform-linux.cc

Index: src/platform-linux.cc
diff --git a/src/platform-linux.cc b/src/platform-linux.cc
index 00852baeebf66cd3be61a51ee10ade941bc98603..c64a94c7fcc1e46182c4ce85bfdce517b10703ce 100644
--- a/src/platform-linux.cc
+++ b/src/platform-linux.cc
@@ -133,13 +133,7 @@ void OS::Setup() {
 
 
 uint64_t OS::CpuFeaturesImpliedByPlatform() {
-#if(defined(__mips_hard_float) && __mips_hard_float != 0)
-    // Here gcc is telling us that we are on an MIPS and gcc is assuming that we
-    // have FPU instructions.  If gcc can assume it then so can we.
-    return 1u << FPU;
-#else
   return 0;  // Linux runs on anything.
-#endif
 }