8010943: guarantee(length == 0) failed: invalid method ordering length

Summary: Add DumpSharedSpaces to IF condition to handle verify during -Xshare:dump.
Reviewed-by: coleenp, zgu

src/share/vm/oops/instanceKlass.cpp

@@ -3168,7 +3168,7 @@ void InstanceKlass::verify_on(outputStream* st) {
     Array<int>* method_ordering = this->method_ordering();
     int length = method_ordering->length();
     if (JvmtiExport::can_maintain_original_method_order() ||
-        (UseSharedSpaces && length != 0)) {
+        ((UseSharedSpaces || DumpSharedSpaces) && length != 0)) {
       guarantee(length == methods()->length(), "invalid method ordering length");
       jlong sum = 0;
       for (int j = 0; j < length; j++) {