[wasm] Move protected instruction info to RelocInfo

src/assembler.h

Index: src/assembler.h
diff --git a/src/assembler.h b/src/assembler.h
index 91d2e463b153da0d68c477ca0c1823c540383dad..284362e5574226e8d52194cc8e7424b309e96a26 100644
--- a/src/assembler.h
+++ b/src/assembler.h
@@ -324,6 +324,7 @@ class RelocInfo {
     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.
@@ -474,6 +475,9 @@ class RelocInfo {
   static inline bool IsWasmPtrReference(Mode mode) {
     return mode == WASM_MEMORY_REFERENCE || mode == WASM_GLOBAL_REFERENCE;
   }
+  static inline bool IsWasmProtectedLanding(Mode mode) {
+    return mode == WASM_PROTECTED_INSTRUCTION_LANDING;
+  }
 
   static inline int ModeMask(Mode mode) { return 1 << mode; }