RFC: Switch to ast ids (instead of positions) for type feedback.

src/ia32/assembler-ia32-inl.h

 // Copyright (c) 1994-2006 Sun Microsystems Inc.
 // All Rights Reserved.
 //
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 // - Redistributions of source code must retain the above copyright notice,
 // this list of conditions and the following disclaimer.
 //
@@ skipping 282 matching lines @@
   if (obj->IsHeapObject()) {
     emit(reinterpret_cast<intptr_t>(handle.location()),
          RelocInfo::EMBEDDED_OBJECT);
   } else {
     // no relocation needed
     emit(reinterpret_cast<intptr_t>(obj));
   }
 }
 
 
-void Assembler::emit(uint32_t x, RelocInfo::Mode rmode) {
-  if (rmode != RelocInfo::NONE) RecordRelocInfo(rmode);
+void Assembler::emit(uint32_t x, RelocInfo::Mode rmode, AstId id) {
+  if (rmode == RelocInfo::CODE_TARGET && id != kNoAstId) {
+    RecordRelocInfo(RelocInfo::CODE_TARGET_WITH_ID,
+                    static_cast<intptr_t>(id));
+  } else if (rmode != RelocInfo::NONE) {
+    RecordRelocInfo(rmode);
+  }
   emit(x);
 }
 
 
 void Assembler::emit(const Immediate& x) {
   if (x.rmode_ == RelocInfo::INTERNAL_REFERENCE) {
     Label* label = reinterpret_cast<Label*>(x.x_);
     emit_code_relative_offset(label);
     return;
   }
@@ skipping 95 matching lines @@
 
 Operand::Operand(int32_t disp, RelocInfo::Mode rmode) {
   // [disp/r]
   set_modrm(0, ebp);
   set_dispr(disp, rmode);
 }
 
 } }  // namespace v8::internal
 
 #endif  // V8_IA32_ASSEMBLER_IA32_INL_H_