diff -r 57ad70bcf06c -r 15936b142f86 src/hotspot/share/oops/fieldStreams.hpp
--- a/src/hotspot/share/oops/fieldStreams.hpp	Wed Nov 13 11:27:50 2019 +0000
+++ b/src/hotspot/share/oops/fieldStreams.hpp	Wed Nov 13 08:23:23 2019 -0500
@@ -79,34 +79,11 @@
     return num_fields;
   }
 
-  FieldStreamBase(Array<u2>* fields, const constantPoolHandle& constants, int start, int limit) {
-    _fields = fields;
-    _constants = constants;
-    _index = start;
-    int num_fields = init_generic_signature_start_slot();
-    if (limit < start) {
-      _limit = num_fields;
-    } else {
-      _limit = limit;
-    }
-  }
+  inline FieldStreamBase(Array<u2>* fields, ConstantPool* constants, int start, int limit);
 
-  FieldStreamBase(Array<u2>* fields, const constantPoolHandle& constants) {
-    _fields = fields;
-    _constants = constants;
-    _index = 0;
-    _limit = init_generic_signature_start_slot();
-  }
-
+  inline FieldStreamBase(Array<u2>* fields, ConstantPool* constants);
  public:
-  FieldStreamBase(InstanceKlass* klass) {
-    _fields = klass->fields();
-    _constants = klass->constants();
-    _index = 0;
-    _limit = klass->java_fields_count();
-    init_generic_signature_start_slot();
-    assert(klass == field_holder(), "");
-  }
+  inline FieldStreamBase(InstanceKlass* klass);
 
   // accessors
   int index() const                 { return _index; }
@@ -136,11 +113,11 @@
   }
 
   Symbol* name() const {
-    return field()->name(_constants);
+    return field()->name(_constants());
   }
 
   Symbol* signature() const {
-    return field()->signature(_constants);
+    return field()->signature(_constants());
   }
 
   Symbol* generic_signature() const {
@@ -242,7 +219,7 @@
 
 class AllFieldStream : public FieldStreamBase {
  public:
-  AllFieldStream(Array<u2>* fields, const constantPoolHandle& constants): FieldStreamBase(fields, constants) {}
+  AllFieldStream(Array<u2>* fields, ConstantPool* constants): FieldStreamBase(fields, constants) {}
   AllFieldStream(InstanceKlass* k):      FieldStreamBase(k->fields(), k->constants()) {}
 };