Updates from 0.2.1 into 0.2.1-inu-1.5

gc/pcr_interface.c

@@ -10,8 +10,7 @@
  * provided the above notices are retained, and a notice that the code was
  * modified is included with the above copyright notice.
  */
-/* Boehm, February 7, 1996 11:09 am PST */
-# include "gc_priv.h"
+# include "private/gc_priv.h"
 
 # ifdef PCR
 /*
@@ -170,4 +169,10 @@ PCR_GC_Run(void)
     return PCR_ERes_okay;
 }
 
+void GC_push_thread_structures(void)
+{
+    /* PCR doesn't work unless static roots are pushed.  Can't get here. */
+    ABORT("In GC_push_thread_structures()");
+}
+
 # endif