X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=rts%2FMBlock.c;h=76645e25d42011adb854ed6550734e20edda7879;hb=35a38acc6010d97b349092f9179c14d18f129e9b;hp=6d05940be513d0c6953c087bd5342a21621e9d6d;hpb=5a2769f0273dd389977e8283375e7920d183bdd4;p=ghc-hetmet.git

diff --git a/rts/MBlock.c b/rts/MBlock.c
index 6d05940..76645e2 100644
--- a/rts/MBlock.c
+++ b/rts/MBlock.c
@@ -395,14 +395,14 @@ getMBlocks(nat n)
      }
   }
 
-  if (((W_)ret & MBLOCK_MASK) != 0) {
-    barf("getMBlocks: misaligned block returned");
-  }
-
   if (ret == (void*)-1) {
      barf("getMBlocks: unknown memory allocation failure on Win32.");
   }
 
+  if (((W_)ret & MBLOCK_MASK) != 0) {
+    barf("getMBlocks: misaligned block returned");
+  }
+
   debugTrace(DEBUG_gc, "allocated %d megablock(s) at 0x%x",n,(nat)ret);
   next_request = (char*)next_request + size;