X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=includes%2FCmm.h;h=6abe760be5adbca8c98249beb61106a04462b01b;hb=03a4928b077a3a8fcde13717f1f6413c2b80cc6d;hp=0088c1aa05d9419221079ea6fea772ad790713e2;hpb=17c8229adf9f268097e4c87053d940a918c3a26f;p=ghc-hetmet.git

diff --git a/includes/Cmm.h b/includes/Cmm.h
index 0088c1a..6abe760 100644
--- a/includes/Cmm.h
+++ b/includes/Cmm.h
@@ -467,6 +467,12 @@
 #define mutArrPtrsCardWords(n) \
     ROUNDUP_BYTES_TO_WDS(((n) + (1 << MUT_ARR_PTRS_CARD_BITS) - 1) >> MUT_ARR_PTRS_CARD_BITS)
 
+#if defined(PROFILING) || (!defined(THREADED_RTS) && defined(DEBUG))
+#define OVERWRITING_CLOSURE(c) foreign "C" overwritingClosure(c "ptr")
+#else
+#define OVERWRITING_CLOSURE(c) /* nothing */
+#endif
+
 /* -----------------------------------------------------------------------------
    Voluntary Yields/Blocks