Revert of [compiler] Add relocatable pointer constants for wasm memory references.

src/x64/macro-assembler-x64.cc

Index: src/x64/macro-assembler-x64.cc
diff --git a/src/x64/macro-assembler-x64.cc b/src/x64/macro-assembler-x64.cc
index 1fdf22d3f2030c10c10e91d743b534e9b8b31232..dbd23e4a555fe26e048b45b4514a89852f754306 100644
--- a/src/x64/macro-assembler-x64.cc
+++ b/src/x64/macro-assembler-x64.cc
@@ -1113,6 +1113,15 @@
     movq(dst, Immediate(static_cast<int32_t>(x)));
   } else {
     movq(dst, x);
+  }
+}
+
+void MacroAssembler::Set(Register dst, int64_t x, RelocInfo::Mode rmode) {
+  if (rmode == RelocInfo::WASM_MEMORY_REFERENCE) {
+    DCHECK(x != 0);
+    movq(dst, x, rmode);
+  } else {
+    DCHECK(RelocInfo::IsNone(rmode));
   }
 }