Some places need persistent temporaries for the return values of ThreadContext::pcState(), which is currently by value. Change-Id: Icd4924f1d16ebe1c99c54ed47616733422340cfe Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/52057 Reviewed-by: Daniel Carvalho <odanrc@yahoo.com.br> Maintainer: Gabe Black <gabe.black@gmail.com> Tested-by: kokoro <noreply+kokoro@google.com>