[compiler] Pass inlining_id via relocation info.

src/assembler.h

Index: src/assembler.h
diff --git a/src/assembler.h b/src/assembler.h
index 70ea1755945818d47b6fa3abda5bdef87d15cb3b..353abdbbc163000fb8175d523c6d5950a7d59d76 100644
--- a/src/assembler.h
+++ b/src/assembler.h
@@ -416,6 +416,7 @@ class RelocInfo {
     VENEER_POOL,
 
     DEOPT_REASON,  // Deoptimization reason index.
+    DEOPT_ID,      // Deoptimization inlining id.
 
     // This is not an actual reloc mode, but used to encode a long pc jump that
     // cannot be encoded as part of another record.
@@ -476,6 +477,9 @@ class RelocInfo {
   static inline bool IsDeoptReason(Mode mode) {
     return mode == DEOPT_REASON;
   }
+  static inline bool IsDeoptId(Mode mode) {
+    return mode == DEOPT_ID;
+  }
   static inline bool IsPosition(Mode mode) {
     return mode == POSITION || mode == STATEMENT_POSITION;
   }