Fix Optimizer "No gradients provided" error messages to report variables instead of internal processor objects.
Fix Optimizer "No gradients provided" error messages to report variables instead of internal processor objects.

PiperOrigin-RevId: 214678470

alshedivat/tensorflow,Bismarrck/tensorflow,renyi533/tensorflow,davidzchen/tensorflow,sarvex/tensorflow,asimshankar/tensorflow,jhseu/tensorflow,adit-chandra/tensorflow,adit-chandra/tensorflow,snnn/tensorflow,davidzchen/tensorflow,ageron/tensorflow,ageron/tensorflow,petewarden/tensorflow,aldian/tensorflow,tensorflow/tensorflow,adit-chandra/tensorflow,petewarden/tensorflow,aam-at/tensorflow,seanli9jan/tensorflow,petewarden/tensorflow,kevin-coder/tensorflow-fork,davidzchen/tensorflow,arborh/tensorflow,frreiss/tensorflow-fred,annarev/tensorflow,ppwwyyxx/tensorflow,asimshankar/tensorflow,yongtang/tensorflow,yongtang/tensorflow,xzturn/tensorflow,asimshankar/tensorflow,Bismarrck/tensorflow,chemelnucfin/tensorflow,dongjoon-hyun/tensorflow,alshedivat/tensorflow,asimshankar/tensorflow,tensorflow/tensorflow-pywrap_saved_model,karllessard/tensorflow,Bismarrck/tensorflow,paolodedios/tensorflow,dongjoon-hyun/tensorflow,snnn/tensorflow,kevin-coder/tensorflow-fork,alshedivat/tensorflow,renyi533/tensorflow,renyi533/tensorflow,seanli9jan/tensorflow,Bismarrck/tensorflow,ppwwyyxx/tensorflow,davidzchen/tensorflow,dancingdan/tensorflow,jendap/tensorflow,karllessard/tensorflow,tensorflow/tensorflow-pywrap_saved_model,dongjoon-hyun/tensorflow,tensorflow/tensorflow-experimental_link_static_libraries_once,brchiu/tensorflow,freedomtan/tensorflow,alsrgv/tensorflow,hfp/tensorflow-xsmm,tensorflow/tensorflow,jbedorf/tensorflow,tensorflow/tensorflow-experimental_link_static_libraries_once,dancingdan/tensorflow,tensorflow/tensorflow,karllessard/tensorflow,alsrgv/tensorflow,paolodedios/tensorflow,cxxgtxy/tensorflow,paolodedios/tensorflow,aam-at/tensorflow,Intel-Corporation/tensorflow,arborh/tensorflow,frreiss/tensorflow-fred,ppwwyyxx/tensorflow,ghchinoy/tensorflow,brchiu/tensorflow,ageron/tensorflow,tensorflow/tensorflow-pywrap_saved_model,ppwwyyxx/tensorflow,apark263/tensorflow,paolodedios/tensorflow,snnn/tensorflow,alshedivat/tensorflow,DavidNorman/tensorflow,Intel-tensorflow/tensorflow,aam-at/tensorflow,sarvex/tensorflow,davidzchen/tensorflow,Intel-Corporation/tensorflow,frreiss/tensorflow-fred,yongtang/tensorflow,adit-chandra/tensorflow,hfp/tensorflow-xsmm,dongjoon-hyun/tensorflow,hfp/tensorflow-xsmm,Bismarrck/tensorflow,renyi533/tensorflow,girving/tensorflow,gunan/tensorflow,tensorflow/tensorflow-pywrap_tf_optimizer,kevin-coder/tensorflow-fork,brchiu/tensorflow,kevin-coder/tensorflow-fork,sarvex/tensorflow,kobejean/tensorflow,jbedorf/tensorflow,paolodedios/tensorflow,DavidNorman/tensorflow,kevin-coder/tensorflow-fork,xzturn/tensorflow,asimshankar/tensorflow,alsrgv/tensorflow,chemelnucfin/tensorflow,chemelnucfin/tensorflow,hfp/tensorflow-xsmm,paolodedios/tensorflow,asimshankar/tensorflow,davidzchen/tensorflow,yongtang/tensorflow,alsrgv/tensorflow,snnn/tensorflow,karllessard/tensorflow,petewarden/tensorflow,aldian/tensorflow,xzturn/tensorflow,ageron/tensorflow,karllessard/tensorflow,tensorflow/tensorflow-pywrap_saved_model,petewarden/tensorflow,aam-at/tensorflow,chemelnucfin/tensorflow,tensorflow/tensorflow,hehongliang/tensorflow,adit-chandra/tensorflow,tensorflow/tensorflow-pywrap_saved_model,Intel-tensorflow/tensorflow,apark263/tensorflow,ghchinoy/tensorflow,ghchinoy/tensorflow,xzturn/tensorflow,jendap/tensorflow,gautam1858/tensorflow,seanli9jan/tensorflow,jhseu/tensorflow,xzturn/tensorflow,DavidNorman/tensorflow,hfp/tensorflow-xsmm,apark263/tensorflow,DavidNorman/tensorflow,tensorflow/tensorflow-experimental_link_static_libraries_once,gunan/tensorflow,theflofly/tensorflow,brchiu/tensorflow,davidzchen/tensorflow,jhseu/tensorflow,kobejean/tensorflow,tensorflow/tensorflow-pywrap_tf_optimizer,karllessard/tensorflow,arborh/tensorflow,DavidNorman/tensorflow,gautam1858/tensorflow,dancingdan/tensorflow,annarev/tensorflow,annarev/tensorflow,snnn/tensorflow,frreiss/tensorflow-fred,jbedorf/tensorflow,aam-at/tensorflow,ghchinoy/tensorflow,DavidNorman/tensorflow,kevin-coder/tensorflow-fork,Bismarrck/tensorflow,DavidNorman/tensorflow,gautam1858/tensorflow,gautam1858/tensorflow,arborh/tensorflow,ghchinoy/tensorflow,yongtang/tensorflow,frreiss/tensorflow-fred,apark263/tensorflow,seanli9jan/tensorflow,yongtang/tensorflow,karllessard/tensorflow,jhseu/tensorflow,sarvex/tensorflow,snnn/tensorflow,alsrgv/tensorflow,girving/tensorflow,adit-chandra/tensorflow,gautam1858/tensorflow,jbedorf/tensorflow,hfp/tensorflow-xsmm,petewarden/tensorflow,brchiu/tensorflow,adit-chandra/tensorflow,tensorflow/tensorflow-pywrap_saved_model,hehongliang/tensorflow,tensorflow/tensorflow-experimental_link_static_libraries_once,jbedorf/tensorflow,apark263/tensorflow,Intel-tensorflow/tensorflow,hfp/tensorflow-xsmm,dancingdan/tensorflow,theflofly/tensorflow,yongtang/tensorflow,sarvex/tensorflow,freedomtan/tensorflow,Intel-tensorflow/tensorflow,Intel-tensorflow/tensorflow,alshedivat/tensorflow,theflofly/tensorflow,kevin-coder/tensorflow-fork,ageron/tensorflow,girving/tensorflow,jbedorf/tensorflow,tensorflow/tensorflow-experimental_link_static_libraries_once,ghchinoy/tensorflow,freedomtan/tensorflow,jbedorf/tensorflow,renyi533/tensorflow,Bismarrck/tensorflow,theflofly/tensorflow,kobejean/tensorflow,hfp/tensorflow-xsmm,cxxgtxy/tensorflow,Intel-Corporation/tensorflow,annarev/tensorflow,jbedorf/tensorflow,ageron/tensorflow,dongjoon-hyun/tensorflow,tensorflow/tensorflow,karllessard/tensorflow,ageron/tensorflow,tensorflow/tensorflow-pywrap_tf_optimizer,Intel-Corporation/tensorflow,hfp/tensorflow-xsmm,aldian/tensorflow,alshedivat/tensorflow,snnn/tensorflow,freedomtan/tensorflow,dancingdan/tensorflow,brchiu/tensorflow,snnn/tensorflow,tensorflow/tensorflow-pywrap_saved_model,jendap/tensorflow,arborh/tensorflow,girving/tensorflow,tensorflow/tensorflow,sarvex/tensorflow,hehongliang/tensorflow,xzturn/tensorflow,girving/tensorflow,tensorflow/tensorflow,gunan/tensorflow,tensorflow/tensorflow,freedomtan/tensorflow,jendap/tensorflow,jbedorf/tensorflow,jendap/tensorflow,yongtang/tensorflow,gunan/tensorflow,alsrgv/tensorflow,aldian/tensorflow,Intel-Corporation/tensorflow,tensorflow/tensorflow-pywrap_tf_optimizer,Intel-Corporation/tensorflow,brchiu/tensorflow,jhseu/tensorflow,kobejean/tensorflow,theflofly/tensorflow,adit-chandra/tensorflow,tensorflow/tensorflow-experimental_link_static_libraries_once,kevin-coder/tensorflow-fork,seanli9jan/tensorflow,ghchinoy/tensorflow,freedomtan/tensorflow,seanli9jan/tensorflow,jhseu/tensorflow,tensorflow/tensorflow-pywrap_saved_model,asimshankar/tensorflow,hehongliang/tensorflow,seanli9jan/tensorflow,tensorflow/tensorflow-pywrap_tf_optimizer,tensorflow/tensorflow-pywrap_tf_optimizer,DavidNorman/tensorflow,kobejean/tensorflow,dancingdan/tensorflow,chemelnucfin/tensorflow,chemelnucfin/tensorflow,jendap/tensorflow,gunan/tensorflow,apark263/tensorflow,aam-at/tensorflow,tensorflow/tensorflow,tensorflow/tensorflow,tensorflow/tensorflow-experimental_link_static_libraries_once,petewarden/tensorflow,DavidNorman/tensorflow,aldian/tensorflow,xzturn/tensorflow,kevin-coder/tensorflow-fork,davidzchen/tensorflow,asimshankar/tensorflow,theflofly/tensorflow,jendap/tensorflow,Bismarrck/tensorflow,renyi533/tensorflow,chemelnucfin/tensorflow,cxxgtxy/tensorflow,kobejean/tensorflow,arborh/tensorflow,Bismarrck/tensorflow,xzturn/tensorflow,davidzchen/tensorflow,annarev/tensorflow,davidzchen/tensorflow,frreiss/tensorflow-fred,gautam1858/tensorflow,freedomtan/tensorflow,apark263/tensorflow,hfp/tensorflow-xsmm,tensorflow/tensorflow-pywrap_tf_optimizer,dongjoon-hyun/tensorflow,tensorflow/tensorflow-pywrap_saved_model,hfp/tensorflow-xsmm,annarev/tensorflow,ppwwyyxx/tensorflow,dongjoon-hyun/tensorflow,theflofly/tensorflow,DavidNorman/tensorflow,cxxgtxy/tensorflow,dancingdan/tensorflow,girving/tensorflow,snnn/tensorflow,tensorflow/tensorflow-experimental_link_static_libraries_once,gautam1858/tensorflow,gunan/tensorflow,dancingdan/tensorflow,Bismarrck/tensorflow,theflofly/tensorflow,paolodedios/tensorflow,ppwwyyxx/tensorflow,freedomtan/tensorflow,sarvex/tensorflow,frreiss/tensorflow-fred,gautam1858/tensorflow,chemelnucfin/tensorflow,alsrgv/tensorflow,cxxgtxy/tensorflow,davidzchen/tensorflow,ageron/tensorflow,paolodedios/tensorflow,adit-chandra/tensorflow,girving/tensorflow,chemelnucfin/tensorflow,kobejean/tensorflow,theflofly/tensorflow,ppwwyyxx/tensorflow,ghchinoy/tensorflow,theflofly/tensorflow,petewarden/tensorflow,alshedivat/tensorflow,snnn/tensorflow,yongtang/tensorflow,hehongliang/tensorflow,adit-chandra/tensorflow,hehongliang/tensorflow,gunan/tensorflow,kobejean/tensorflow,ppwwyyxx/tensorflow,freedomtan/tensorflow,ghchinoy/tensorflow,kevin-coder/tensorflow-fork,renyi533/tensorflow,girving/tensorflow,gautam1858/tensorflow,jhseu/tensorflow,Intel-tensorflow/tensorflow,annarev/tensorflow,alsrgv/tensorflow,kevin-coder/tensorflow-fork,aldian/tensorflow,karllessard/tensorflow,tensorflow/tensorflow-experimental_link_static_libraries_once,ppwwyyxx/tensorflow,aldian/tensorflow,gunan/tensorflow,seanli9jan/tensorflow,alsrgv/tensorflow,ageron/tensorflow,brchiu/tensorflow,apark263/tensorflow,jendap/tensorflow,Intel-Corporation/tensorflow,frreiss/tensorflow-fred,alshedivat/tensorflow,arborh/tensorflow,annarev/tensorflow,aam-at/tensorflow,chemelnucfin/tensorflow,tensorflow/tensorflow-pywrap_tf_optimizer,aam-at/tensorflow,tensorflow/tensorflow,xzturn/tensorflow,kobejean/tensorflow,jbedorf/tensorflow,jendap/tensorflow,tensorflow/tensorflow-experimental_link_static_libraries_once,tensorflow/tensorflow-experimental_link_static_libraries_once,ghchinoy/tensorflow,theflofly/tensorflow,arborh/tensorflow,arborh/tensorflow,Intel-tensorflow/tensorflow,Bismarrck/tensorflow,chemelnucfin/tensorflow,jhseu/tensorflow,theflofly/tensorflow,girving/tensorflow,xzturn/tensorflow,Intel-tensorflow/tensorflow,frreiss/tensorflow-fred,alshedivat/tensorflow,girving/tensorflow,apark263/tensorflow,frreiss/tensorflow-fred,xzturn/tensorflow,Intel-Corporation/tensorflow,dancingdan/tensorflow,alsrgv/tensorflow,alsrgv/tensorflow,tensorflow/tensorflow-pywrap_saved_model,renyi533/tensorflow,jendap/tensorflow,karllessard/tensorflow,gunan/tensorflow,jhseu/tensorflow,tensorflow/tensorflow-pywrap_tf_optimizer,asimshankar/tensorflow,tensorflow/tensorflow-pywrap_saved_model,alshedivat/tensorflow,petewarden/tensorflow,dongjoon-hyun/tensorflow,gunan/tensorflow,dongjoon-hyun/tensorflow,dongjoon-hyun/tensorflow,renyi533/tensorflow,renyi533/tensorflow,annarev/tensorflow,seanli9jan/tensorflow,DavidNorman/tensorflow,apark263/tensorflow,jhseu/tensorflow,seanli9jan/tensorflow,ppwwyyxx/tensorflow,Intel-tensorflow/tensorflow,yongtang/tensorflow,apark263/tensorflow,arborh/tensorflow,karllessard/tensorflow,dancingdan/tensorflow,paolodedios/tensorflow,adit-chandra/tensorflow,cxxgtxy/tensorflow,frreiss/tensorflow-fred,aam-at/tensorflow,yongtang/tensorflow,gunan/tensorflow,renyi533/tensorflow,chemelnucfin/tensorflow,freedomtan/tensorflow,brchiu/tensorflow,Intel-tensorflow/tensorflow,seanli9jan/tensorflow,jhseu/tensorflow,jbedorf/tensorflow,Intel-tensorflow/tensorflow,aldian/tensorflow,xzturn/tensorflow,freedomtan/tensorflow,jendap/tensorflow,jhseu/tensorflow,tensorflow/tensorflow-pywrap_tf_optimizer,kobejean/tensorflow,asimshankar/tensorflow,DavidNorman/tensorflow,snnn/tensorflow,ageron/tensorflow,ghchinoy/tensorflow,ghchinoy/tensorflow,jbedorf/tensorflow,dancingdan/tensorflow,arborh/tensorflow,petewarden/tensorflow,petewarden/tensorflow,aam-at/tensorflow,annarev/tensorflow,adit-chandra/tensorflow,tensorflow/tensorflow-pywrap_tf_optimizer,girving/tensorflow,paolodedios/tensorflow,sarvex/tensorflow,alsrgv/tensorflow,ageron/tensorflow,hehongliang/tensorflow,gautam1858/tensorflow,kobejean/tensorflow,freedomtan/tensorflow,gautam1858/tensorflow,alshedivat/tensorflow,aam-at/tensorflow,ppwwyyxx/tensorflow,brchiu/tensorflow,davidzchen/tensorflow,asimshankar/tensorflow,arborh/tensorflow,cxxgtxy/tensorflow,ageron/tensorflow,gunan/tensorflow,cxxgtxy/tensorflow,renyi533/tensorflow,gautam1858/tensorflow,petewarden/tensorflow,ppwwyyxx/tensorflow,aam-at/tensorflow,dongjoon-hyun/tensorflow,frreiss/tensorflow-fred,annarev/tensorflow,paolodedios/tensorflow,brchiu/tensorflow