Index: tools/build/v2/engine/lists.c
===================================================================
--- tools/build/v2/engine/lists.c	(revision 83162)
+++ tools/build/v2/engine/lists.c	(working copy)
@@ -14,9 +14,9 @@
 #include <assert.h>
 
 
-struct freelist_node { struct freelist_node * next; };
+union freelist_node { union freelist_node * next; LIST allow_aliasing; };
 
-static struct freelist_node * freelist[ 32 ];  /* junkpile for list_dealloc() */
+static union freelist_node * freelist[ 32 ];  /* junkpile for list_dealloc() */
 
 static unsigned get_bucket( unsigned size )
 {
@@ -30,7 +30,7 @@
     unsigned const bucket = get_bucket( size );
     if ( freelist[ bucket ] )
     {
-        struct freelist_node * result = freelist[ bucket ];
+        union freelist_node * result = freelist[ bucket ];
         freelist[ bucket ] = result->next;
         return (LIST *)result;
     }
@@ -42,7 +42,7 @@
 {
     unsigned size = list_length( l );
     unsigned bucket;
-    struct freelist_node * node = (struct freelist_node *)l;
+    union freelist_node * node = (union freelist_node *)l;
 
     if ( size == 0 ) return;
 
@@ -372,10 +372,10 @@
     int i;
     for ( i = 0; i < sizeof( freelist ) / sizeof( freelist[ 0 ] ); ++i )
     {
-        struct freelist_node * l = freelist[ i ];
+        union freelist_node * l = freelist[ i ];
         while ( l )
         {
-            struct freelist_node * const tmp = l;
+            union freelist_node * const tmp = l;
             l = l->next;
             BJAM_FREE( tmp );
         }