Merge pull request CGAL#6622 from kda/initialize

initialize some stack variables

Author: lrineau

Triangulation_3/include/CGAL/Delaunay_triangulation_3.h

@@ -1076,7 +1076,7 @@ Delaunay_triangulation_3<Gt,Tds,Default,Lds>::
 insert(const Point& p, Cell_handle start, bool *could_lock_zone)
 {
   Locate_type lt;
-  int li, lj;
+  int li = -1, lj = -1;
 
   // Parallel
   if(could_lock_zone)

Triangulation_3/include/CGAL/Triangulation_3.h

@@ -3862,7 +3862,7 @@ Triangulation_3<GT,Tds,Lds>::
 insert(const Point& p, Cell_handle start)
 {
   Locate_type lt;
-  int li, lj;
+  int li = -1, lj = -1;
   Cell_handle c = locate(p, lt, li, lj, start);
   return insert(p, lt, c, li, lj);
 }

Triangulation_3/include/CGAL/Triangulation_hierarchy_3.h

@@ -439,7 +439,7 @@ class Triangulation_hierarchy_3
 
   struct locs {
       Cell_handle pos;
-      int li, lj;
+      int li = -1, lj = -1;
       Locate_type lt;
   };
 
@@ -538,7 +538,7 @@ insert(const Point &p, Cell_handle start)
 {
   int vertex_level = random_level();
   Locate_type lt;
-  int i, j;
+  int i = -1, j = -1;
   // locate using hierarchy
   locs positions[maxlevel];
   locate(p, lt, i, j, positions, start);