src/share/vm/c1/c1_Canonicalizer.cpp

*** 936,945 ****
--- 936,952 ----
      *base = root->x();
      *index = root->y();
      *log2_scale = 0;
    }
  
+ // AARCH64 cannot handle shifts which are not either 0, or log2 of the type size
+ #ifdef AARCH64
+   if (*log2_scale != 0 &&
+         (1 << *log2_scale) != type2aelembytes(x->basic_type(), true))
+     return false;
+ #endif
+ 
    // If the value is pinned then it will be always be computed so
    // there's no profit to reshaping the expression.
    return !root->is_pinned();
  }