Fix full code generator to not use --debug-code if it is in

src/ia32/assembler-ia32.h

Index: src/ia32/assembler-ia32.h
===================================================================
--- src/ia32/assembler-ia32.h	(revision 12237)
+++ src/ia32/assembler-ia32.h	(working copy)
@@ -587,6 +587,11 @@
   // Overrides the default provided by FLAG_debug_code.
   void set_emit_debug_code(bool value) { emit_debug_code_ = value; }
 
+  // Avoids using instructions that vary in size in unpredictable ways between
+  // the snapshot and the running VM.  This is needed by the full compiler so
+  // that it can recompile code with debug support and fix the PC.
+  void set_predictable_code_size(bool value) { predictable_code_size_ = value; }
+
   // GetCode emits any pending (non-emitted) code and fills the descriptor
   // desc. GetCode() is idempotent; it returns the same result if no other
   // Assembler functions are invoked in between GetCode() calls.
@@ -1111,6 +1116,7 @@
 
  protected:
   bool emit_debug_code() const { return emit_debug_code_; }
+  bool predictable_code_size() const { return predictable_code_size_ ; }
 
   void movsd(XMMRegister dst, const Operand& src);
   void movsd(const Operand& dst, XMMRegister src);
@@ -1186,6 +1192,7 @@
   PositionsRecorder positions_recorder_;
 
   bool emit_debug_code_;
+  bool predictable_code_size_;
 
   friend class PositionsRecorder;
 };