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-rw-r--r--lib/compiler/src/core_lint.erl6
-rw-r--r--lib/compiler/src/sys_core_fold.erl10
-rw-r--r--lib/compiler/src/v3_core.erl4
3 files changed, 10 insertions, 10 deletions
diff --git a/lib/compiler/src/core_lint.erl b/lib/compiler/src/core_lint.erl
index 7d3513c0ba..6e2114be56 100644
--- a/lib/compiler/src/core_lint.erl
+++ b/lib/compiler/src/core_lint.erl
@@ -353,12 +353,6 @@ expr(#c_case{arg=Arg,clauses=Cs}, Def, Rt, St0) ->
Pc = case_patcount(Cs),
St1 = body(Arg, Def, Pc, St0),
clauses(Cs, Def, Pc, Rt, St1);
-expr(#c_receive{clauses=Cs,timeout=#c_literal{val=infinity},
- action=#c_literal{}},
- Def, Rt, St) ->
- %% If the timeout is 'infinity', the after code can never
- %% be reached. We don't care if the return count is wrong.
- clauses(Cs, Def, 1, Rt, St);
expr(#c_receive{clauses=Cs,timeout=T,action=A}, Def, Rt, St0) ->
St1 = expr(T, Def, 1, St0),
St2 = body(A, Def, Rt, St1),
diff --git a/lib/compiler/src/sys_core_fold.erl b/lib/compiler/src/sys_core_fold.erl
index df880ff784..15ced196a7 100644
--- a/lib/compiler/src/sys_core_fold.erl
+++ b/lib/compiler/src/sys_core_fold.erl
@@ -2622,9 +2622,13 @@ delay_build_expr_1(#c_receive{clauses=Cs0,
timeout=Timeout,
action=A0}=Rec, TypeSig) ->
Cs = delay_build_cs(Cs0, TypeSig),
- A = case Timeout of
- #c_literal{val=infinity} -> A0;
- _ -> delay_build_expr(A0, TypeSig)
+ A = case {Timeout,A0} of
+ {#c_literal{val=infinity},#c_literal{}} ->
+ {_Type,Arity} = TypeSig,
+ Es = lists:duplicate(Arity, A0),
+ core_lib:make_values(Es);
+ _ ->
+ delay_build_expr(A0, TypeSig)
end,
Rec#c_receive{clauses=Cs,action=A};
delay_build_expr_1(#c_seq{body=B0}=Seq, TypeSig) ->
diff --git a/lib/compiler/src/v3_core.erl b/lib/compiler/src/v3_core.erl
index 20cb3343fb..66ddf6fcb9 100644
--- a/lib/compiler/src/v3_core.erl
+++ b/lib/compiler/src/v3_core.erl
@@ -2462,9 +2462,11 @@ cexpr(#icase{anno=A,args=Largs,clauses=Lcs,fc=Lfc}, As, St0) ->
cexpr(#ireceive1{anno=A,clauses=Lcs}, As, St0) ->
Exp = intersection(A#a.ns, As), %Exports
{Ccs,St1} = cclauses(Lcs, Exp, St0),
+ True = #c_literal{val=true},
+ Action = core_lib:make_values(lists:duplicate(1+length(Exp), True)),
{#c_receive{anno=A#a.anno,
clauses=Ccs,
- timeout=#c_literal{val=infinity},action=#c_literal{val=true}},
+ timeout=#c_literal{val=infinity},action=Action},
Exp,A#a.us,St1};
cexpr(#ireceive2{anno=A,clauses=Lcs,timeout=Lto,action=Les}, As, St0) ->
Exp = intersection(A#a.ns, As), %Exports