odb: gemini feedback

Signed-off-by: Matt Liberty <mliberty@precisioninno.com>

Author: maliberty

src/odb/src/db/tmg_conn_g.cpp

@@ -23,7 +23,6 @@ void tmg_conn_graph::init(const int ptN, const int shortN)
   stackV_.reserve(2ul * shortN);
 
   eV_.clear();
-  eV_.reserve(4ul * ptN + 2ul * shortN);
 }
 
 tcg_edge* tmg_conn_graph::newEdge(const tmg_conn* conn,
@@ -311,7 +310,7 @@ tcg_edge* tmg_conn_graph::getNextEdge(const bool ok_to_descend)
     e = e->next;
   }
   if (e) {
-    stackV_.emplace_back(e);
+    stackV_.back() = e;
     return e;
   }
   // ascend

src/odb/src/db/tmg_conn_g.h

@@ -3,6 +3,7 @@
 
 #pragma once
 
+#include <deque>
 #include <vector>
 
 namespace odb {
@@ -55,7 +56,7 @@ class tmg_conn_graph
   bool isBadShort(tcg_edge* pe, const tmg_conn* conn);
 
   tcg_edge* e_;
-  std::vector<tcg_edge> eV_;
+  std::deque<tcg_edge> eV_;
 };
 
 }  // namespace odb