Update ChangeLog

Add tag, date, and regression test results. Imply cam6_3_125 as test
baseline by removing reference to cam6_3_111.

doc/ChangeLog

@@ -1,8 +1,8 @@
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-Tag name:
+Tag name: cam6_3_126
 Originator(s): gdicker
-Date:
+Date: 6 Sep 2023
 One-line Summary: Add MPAS-A 60 and 30km analytic-ic ncdata
 Github PR URL: https://github.com/ESCOMP/CAM/pull/848
 
@@ -36,13 +36,20 @@ then copy the lines from the td.*.status files for the failed tests to the
 appropriate machine below.  All failed tests must be justified.
 
 cheyenne/intel/aux_cam:
+  ERP_Ln9_Vnuopc.f09_f09_mg17.FCSD_HCO.cheyenne_intel.cam-outfrq9s (Overall: FAIL) details:
+  ERP_Ln9_Vnuopc.ne30pg3_ne30pg3_mg17.FW2000climo.cheyenne_intel.cam-outfrq9s_wcm_ne30 (Overall: FAIL) details:
+  SMS_Lh12_Vnuopc.f09_f09_mg17.FCSD_HCO.cheyenne_intel.cam-outfrq3h (Overall: DIFF) details:
+  - pre-existing failures
 
 izumi/nag/aux_cam:
+  TR8 test FAIL: src/chemistry/aerosol/refractive_aerosol_optics_mod.F90:288       crefin(icol) = crefin(icol)/max(self%wetvol(icol,ilev), 1.e-40)
+  - missing r8 qualifier, see Issue #882
+  DAE_Vnuopc.f45_f45_mg37.FHS94.izumi_nag.cam-dae (Overall: FAIL) details:
+  - pre-existing failure
 
-izumi/gnu/aux_cam:
+izumi/gnu/aux_cam: All PASS
 
-CAM tag used for the baseline comparison tests if different than previous
-tag: cam6_3_111
+Summarize any changes to answers: bit-for-bit unchanged
 
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