Fix problems with sandboxing and the ARM integrated assembler.

src/IceAssemblerX86Base.h

Index: src/IceAssemblerX86Base.h
diff --git a/src/IceAssemblerX86Base.h b/src/IceAssemblerX86Base.h
index 4b9d9b9a81340ef26c305638613b41fd39bd1618..b937ce65926dd0bff37c178e3036a9105453d0ae 100644
--- a/src/IceAssemblerX86Base.h
+++ b/src/IceAssemblerX86Base.h
@@ -101,7 +101,9 @@ public:
   }
 
 private:
-  void nearLinkTo(intptr_t position) {
+  void nearLinkTo(const Assembler &Asm, intptr_t position) {
+    if (Asm.getPreliminary())
+      return;
     assert(!isBound());
     UnresolvedNearPositions.push_back(position);
   }