Merge experimental/gc branch to the bleeding_edge.

src/arm/assembler-arm.h

Index: src/arm/assembler-arm.h
===================================================================
--- src/arm/assembler-arm.h	(revision 9327)
+++ src/arm/assembler-arm.h	(working copy)
@@ -1209,6 +1209,10 @@
   PositionsRecorder* positions_recorder() { return &positions_recorder_; }
 
   // Read/patch instructions
+  Instr instr_at(int pos) { return *reinterpret_cast<Instr*>(buffer_ + pos); }
+  void instr_at_put(int pos, Instr instr) {
+    *reinterpret_cast<Instr*>(buffer_ + pos) = instr;
+  }
   static Instr instr_at(byte* pc) { return *reinterpret_cast<Instr*>(pc); }
   static void instr_at_put(byte* pc, Instr instr) {
     *reinterpret_cast<Instr*>(pc) = instr;
@@ -1263,12 +1267,6 @@
 
   int buffer_space() const { return reloc_info_writer.pos() - pc_; }
 
-  // Read/patch instructions
-  Instr instr_at(int pos) { return *reinterpret_cast<Instr*>(buffer_ + pos); }
-  void instr_at_put(int pos, Instr instr) {
-    *reinterpret_cast<Instr*>(buffer_ + pos) = instr;
-  }
-
   // Decode branch instruction at pos and return branch target pos
   int target_at(int pos);