Subzero: Disable stats and timers under the MINIMAL build.

src/IceTimerTree.cpp

Index: src/IceTimerTree.cpp
diff --git a/src/IceTimerTree.cpp b/src/IceTimerTree.cpp
index cc25baf86a62cc8508f18ce8e6636167cbb504d7..cf81be79dbaa8555b1c304df906539691bb10682 100644
--- a/src/IceTimerTree.cpp
+++ b/src/IceTimerTree.cpp
@@ -22,6 +22,8 @@ namespace Ice {
 TimerStack::TimerStack(const IceString &Name)
     : Name(Name), FirstTimestamp(timestamp()), LastTimestamp(FirstTimestamp),
       StateChangeCount(0), StackTop(0) {
+  if (!ALLOW_DUMP)
+    return;
   Nodes.resize(1); // Reserve Nodes[0] for the root node.
   IDs.resize(TT__num);
 #define STR(s) #s
@@ -36,6 +38,8 @@ TimerStack::TimerStack(const IceString &Name)
 // Returns the unique timer ID for the given Name, creating a new ID
 // if needed.
 TimerIdT TimerStack::getTimerID(const IceString &Name) {
+  if (!ALLOW_DUMP)
+    return 0;
   if (IDsIndex.find(Name) == IDsIndex.end()) {
     IDsIndex[Name] = IDs.size();
     IDs.push_back(Name);