base: Fix for stats node on gcc < 4.6.3

This patch adds an explicit function to get the underlying node as gcc
4.6.1 and 4.6.2 have issues otherwise.

2 files changed, 8 insertions, 3 deletions

diff --git a/src/base/statistics.cc b/src/base/statistics.cc
index 5ab837410..b63e69b68 100644
--- a/src/base/statistics.cc
+++ b/src/base/statistics.cc
@@ -379,7 +379,7 @@ Formula::Formula()
 
 Formula::Formula(Temp r)
 {
-    root = r;
+    root = r.getNodePtr();
     setInit();
     assert(size());
 }
@@ -388,7 +388,7 @@ const Formula &
 Formula::operator=(Temp r)
 {
     assert(!root && "Can't change formulas");
-    root = r;
+    root = r.getNodePtr();
     setInit();
     assert(size());
     return *this;
@@ -400,7 +400,7 @@ Formula::operator+=(Temp r)
     if (root)
         root = NodePtr(new BinaryNode<std::plus<Result> >(root, r));
     else {
-        root = r;
+        root = r.getNodePtr();
         setInit();
     }
 
diff --git a/src/base/statistics.hh b/src/base/statistics.hh
index 658652f05..a21bf81d1 100644
--- a/src/base/statistics.hh
+++ b/src/base/statistics.hh
@@ -2999,6 +2999,11 @@ class Temp
      */
     operator NodePtr&() { return node; }
 
+    /**
+     * Makde gcc < 4.6.3 happy and explicitly get the underlying node.
+     */
+    NodePtr getNodePtr() const { return node; }
+
   public:
     /**
      * Create a new ScalarStatNode.