Reimplement the padding of relocation information for lazy deoptimization on ia32.

src/assembler.h

Index: src/assembler.h
diff --git a/src/assembler.h b/src/assembler.h
index 8147227f0b812b3c55694821034474ae1d56a97a..62fe04d1c74750d0cf1924bf0980157199457a27 100644
--- a/src/assembler.h
+++ b/src/assembler.h
@@ -205,6 +205,9 @@ class RelocInfo BASE_EMBEDDED {
   // The maximum size for a call instruction including pc-jump.
   static const int kMaxCallSize = 6;
 
+  // The maximum pc delta that will use the short encoding.
+  static const int kMaxSmallPCDelta;
+
   enum Mode {
     // Please note the order is important (see IsCodeTarget, IsGCRelocMode).
     CONSTRUCT_CALL,  // code target that is a call to a JavaScript constructor.