Revert of [debugger] remove debugger statement support from FCG/CS.

src/assembler.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 299 matching lines @@
   // 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).
     CODE_TARGET,  // Code target which is not any of the above.
     CODE_TARGET_WITH_ID,
+    DEBUGGER_STATEMENT,  // Code target for the debugger statement.
     EMBEDDED_OBJECT,
     // To relocate pointers into the wasm memory embedded in wasm code
     WASM_MEMORY_REFERENCE,
     WASM_GLOBAL_REFERENCE,
     WASM_MEMORY_SIZE_REFERENCE,
     WASM_FUNCTION_TABLE_SIZE_REFERENCE,
     WASM_PROTECTED_INSTRUCTION_LANDING,
     CELL,
 
     // Everything after runtime_entry (inclusive) is not GC'ed.
@@ skipping 28 matching lines @@
 
     // Pseudo-types
     NUMBER_OF_MODES,
     NONE32,             // never recorded 32-bit value
     NONE64,             // never recorded 64-bit value
     CODE_AGE_SEQUENCE,  // Not stored in RelocInfo array, used explictly by
                         // code aging.
 
     FIRST_REAL_RELOC_MODE = CODE_TARGET,
     LAST_REAL_RELOC_MODE = VENEER_POOL,
-    LAST_CODE_ENUM = CODE_TARGET_WITH_ID,
+    LAST_CODE_ENUM = DEBUGGER_STATEMENT,
     LAST_GCED_ENUM = WASM_FUNCTION_TABLE_SIZE_REFERENCE,
     FIRST_SHAREABLE_RELOC_MODE = CELL,
   };
 
   STATIC_ASSERT(NUMBER_OF_MODES <= kBitsPerInt);
 
   explicit RelocInfo(Isolate* isolate) : isolate_(isolate) {
     DCHECK_NOT_NULL(isolate);
   }
 
@@ skipping 55 matching lines @@
   }
   static inline bool IsDebugBreakSlotAtReturn(Mode mode) {
     return mode == DEBUG_BREAK_SLOT_AT_RETURN;
   }
   static inline bool IsDebugBreakSlotAtCall(Mode mode) {
     return mode == DEBUG_BREAK_SLOT_AT_CALL;
   }
   static inline bool IsDebugBreakSlotAtTailCall(Mode mode) {
     return mode == DEBUG_BREAK_SLOT_AT_TAIL_CALL;
   }
+  static inline bool IsDebuggerStatement(Mode mode) {
+    return mode == DEBUGGER_STATEMENT;
+  }
   static inline bool IsNone(Mode mode) {
     return mode == NONE32 || mode == NONE64;
   }
   static inline bool IsCodeAgeSequence(Mode mode) {
     return mode == CODE_AGE_SEQUENCE;
   }
   static inline bool IsWasmMemoryReference(Mode mode) {
     return mode == WASM_MEMORY_REFERENCE;
   }
   static inline bool IsWasmMemorySizeReference(Mode mode) {
@@ skipping 785 matching lines @@
     std::vector<ConstantPoolEntry> shared_entries;
   };
 
   Label emitted_label_;  // Records pc_offset of emitted pool
   PerTypeEntryInfo info_[ConstantPoolEntry::NUMBER_OF_TYPES];
 };
 
 }  // namespace internal
 }  // namespace v8
 #endif  // V8_ASSEMBLER_H_