Deprecate unused RelocInfo::CONSTRUCT_CALL mode.

src/assembler.h

Index: src/assembler.h
diff --git a/src/assembler.h b/src/assembler.h
index ac597ff7cd163a57baab11f0418a7ff307de8d20..9d964e467d80226d231f2cf78662ae688661da16 100644
--- a/src/assembler.h
+++ b/src/assembler.h
@@ -377,7 +377,6 @@ class RelocInfo {
     // Please note the order is important (see IsCodeTarget, IsGCRelocMode).
     CODE_TARGET,  // Code target which is not any of the above.
     CODE_TARGET_WITH_ID,
-    CONSTRUCT_CALL,  // code target that is a call to a JavaScript constructor.
     DEBUGGER_STATEMENT,  // Code target for the debugger statement.
     EMBEDDED_OBJECT,
     CELL,
@@ -442,9 +441,6 @@ class RelocInfo {
     return mode >= FIRST_REAL_RELOC_MODE &&
         mode <= LAST_REAL_RELOC_MODE;
   }
-  static inline bool IsConstructCall(Mode mode) {
-    return mode == CONSTRUCT_CALL;
-  }
   static inline bool IsCodeTarget(Mode mode) {
     return mode <= LAST_CODE_ENUM;
   }