Populate relocation information correctly for RelocatableInt32Constants.

src/compiler/x64/code-generator-x64.cc

Index: src/compiler/x64/code-generator-x64.cc
diff --git a/src/compiler/x64/code-generator-x64.cc b/src/compiler/x64/code-generator-x64.cc
index 4c2f6e80dfb78459a22684bf2c7ab9168ca14188..d7e4aad9ffaf600f47e0e9bafb1ca30eed3a8e1c 100644
--- a/src/compiler/x64/code-generator-x64.cc
+++ b/src/compiler/x64/code-generator-x64.cc
@@ -2458,7 +2458,11 @@ void CodeGenerator::AssembleMove(InstructionOperand* source,
             if (value == 0) {
               __ xorl(dst, dst);
             } else {
-              __ movl(dst, Immediate(value));
+              if (src.rmode() == RelocInfo::WASM_MEMORY_SIZE_REFERENCE) {
+                __ movl(dst, Immediate(value, src.rmode()));
+              } else {
+                __ movl(dst, Immediate(value));
+              }
             }
           }
           break;