tree abb8da28ab5fd673c969a6a714be1f812a14b685
parent 79df23ed784518377b326b5df6824201fcff1060
author Sameer Agarwal <sameeragarwal@google.com> 1401727208 -0700
committer Keir Mierle <mierle@gmail.com> 1401811583 +0000

Improve logging in Solver::Options::IsValid.

The error message now includes the value of the offending option.

Change-Id: Ic2493709f54f7efe59313d51d1ff9638191c8b38