Commit b92ed68a authored by Daniel Gröber (dxld)'s avatar Daniel Gröber (dxld)

rts: Add note reference to SET_PROF_HDR for profiling 'flip' bit

parent 48e816f0
......@@ -126,6 +126,8 @@ INLINE_HEADER StgHalfWord GET_TAG(const StgClosure *con)
retainer profiling code will just set 'rs' to NULL upon visiting a closure with
an invalid 'flip' bit anyways.
See Note [Profiling heap traversal visited bit] for details.
[1]: Technically we should set 'rs' to `NULL | flip`.
#define SET_PROF_HDR(c,ccs_) \
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