Add new relocation type WASM_MEMORY_SIZE_REFERENCE, use relocatable pointers to update wasm memory …

src/compiler/arm64/code-generator-arm64.cc

Index: src/compiler/arm64/code-generator-arm64.cc
diff --git a/src/compiler/arm64/code-generator-arm64.cc b/src/compiler/arm64/code-generator-arm64.cc
index 48c82f00d64eb3f17576994e8fbe81ac19c66255..bf40ad03ed9c454fce679395bf32a2c84db9b9c7 100644
--- a/src/compiler/arm64/code-generator-arm64.cc
+++ b/src/compiler/arm64/code-generator-arm64.cc
@@ -183,7 +183,11 @@ class Arm64OperandConverter final : public InstructionOperandConverter {
     Constant constant = ToConstant(operand);
     switch (constant.type()) {
       case Constant::kInt32:
-        return Operand(constant.ToInt32());
+        if (constant.rmode() == RelocInfo::WASM_MEMORY_SIZE_REFERENCE) {
+          return Operand(constant.ToInt32(), constant.rmode());
+        } else {
+          return Operand(constant.ToInt32());
+        }
       case Constant::kInt64:
         if (constant.rmode() == RelocInfo::WASM_MEMORY_REFERENCE) {
           return Operand(constant.ToInt64(), constant.rmode());