Assembler changes for enabling GrowHeap in Wasm

src/ia32/assembler-ia32.h

Index: src/ia32/assembler-ia32.h
diff --git a/src/ia32/assembler-ia32.h b/src/ia32/assembler-ia32.h
index 890646abba771a00c2d9ed106107830fee84f7d0..a12e994b603a151d61fde52df6bb0567ee7a7998 100644
--- a/src/ia32/assembler-ia32.h
+++ b/src/ia32/assembler-ia32.h
@@ -271,6 +271,7 @@ class Immediate BASE_EMBEDDED {
   inline explicit Immediate(Handle<Object> handle);
   inline explicit Immediate(Smi* value);
   inline explicit Immediate(Address addr);
+  inline explicit Immediate(Address x, RelocInfo::Mode rmode);
 
   static Immediate CodeRelativeOffset(Label* label) {
     return Immediate(label);