aboutsummaryrefslogtreecommitdiffstats
path: root/lib/compiler/src/beam_block.erl
diff options
context:
space:
mode:
Diffstat (limited to 'lib/compiler/src/beam_block.erl')
-rw-r--r--lib/compiler/src/beam_block.erl8
1 files changed, 7 insertions, 1 deletions
diff --git a/lib/compiler/src/beam_block.erl b/lib/compiler/src/beam_block.erl
index 7183381334..a4380a9314 100644
--- a/lib/compiler/src/beam_block.erl
+++ b/lib/compiler/src/beam_block.erl
@@ -628,7 +628,13 @@ cse_find(Expr, Es) ->
end.
cse_expr({set,[D],Ss,{bif,N,_}}) ->
- {ok,D,{{bif,N},Ss}};
+ case D of
+ {fr,_} ->
+ %% There are too many things that can go wrong.
+ none;
+ _ ->
+ {ok,D,{{bif,N},Ss}}
+ end;
cse_expr({set,[D],Ss,{alloc,_,{gc_bif,N,_}}}) ->
{ok,D,{{gc_bif,N},Ss}};
cse_expr({set,[D],Ss,put_list}) ->