Add two missing GC_start_debugging() calls.

* dbg_mlc.c (GC_debug_generic_malloc_inner): Add GC_start_debugging() if not
done.  This fixes the missing registration of the debug header displacement.
* dbg_mlc.c (GC_debug_generic_malloc_inner_ignore_off_page): Ditto.

1 files changed, 6 insertions, 0 deletions

diff --git a/dbg_mlc.c b/dbg_mlc.c
index 5f03d106..c2e2eaa3 100644
--- a/dbg_mlc.c
+++ b/dbg_mlc.c
@@ -533,6 +533,9 @@ GC_API void * GC_CALL GC_debug_malloc_atomic_ignore_off_page(size_t lb,
                        (unsigned long) lb);
         return(0);
     }
+    if (!GC_debugging_started) {
+        GC_start_debugging();
+    }
     ADD_CALL_CHAIN(result, GC_RETURN_ADDR);
     return (GC_store_debug_info_inner(result, (word)lb, "INTERNAL", 0));
   }
@@ -548,6 +551,9 @@ GC_API void * GC_CALL GC_debug_malloc_atomic_ignore_off_page(size_t lb,
                        (unsigned long) lb);
         return(0);
     }
+    if (!GC_debugging_started) {
+        GC_start_debugging();
+    }
     ADD_CALL_CHAIN(result, GC_RETURN_ADDR);
     return (GC_store_debug_info_inner(result, (word)lb, "INTERNAL", 0));
   }