[project @ 2005-01-07 13:06:20 by simonmar]

Fix what looks like a cut-n-pasto in retry#: the MAYBE_GC() was
specifying readTVarzh_fast as the restart point, leading to a crash if
MAYBE_GC triggered a GC in here.

ghc/rts/PrimOps.cmm

@@ -1212,7 +1212,7 @@ retryzh_fast
   W_ outer;
   W_ r;
 
-  MAYBE_GC (NO_PTRS, readTVarzh_fast); // STM operations may allocate
+  MAYBE_GC (NO_PTRS, retryzh_fast); // STM operations may allocate
 
   // Find the enclosing ATOMICALLY_FRAME or CATCH_RETRY_FRAME
 retry_pop_stack: