From ba941817ef475ec638dbed0e93782a1c1d677329 Mon Sep 17 00:00:00 2001
From: Nicole Lemaster Slattengren <nlslatt@sandia.gov>
Date: Fri, 6 Nov 2020 14:30:28 -0800
Subject: [PATCH] #1122: collection: touch new stats entries when advancing
 phase

---
 src/vt/vrt/collection/balance/elm_stats.cc | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/vt/vrt/collection/balance/elm_stats.cc b/src/vt/vrt/collection/balance/elm_stats.cc
index d4e869c7c0..98ba37582d 100644
--- a/src/vt/vrt/collection/balance/elm_stats.cc
+++ b/src/vt/vrt/collection/balance/elm_stats.cc
@@ -132,6 +132,13 @@ void ElementStats::updatePhase(PhaseType const& inc) {
   );
 
   cur_phase_ += inc;
+
+  // Access all table entries for current phase, to ensure presence even
+  // if they're left empty
+  phase_timings_[cur_phase_];
+  subphase_timings_[cur_phase_];
+  phase_comm_[cur_phase_];
+  subphase_comm_[cur_phase_];
 }
 
 PhaseType ElementStats::getPhase() const {