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-rw-r--r--lib/compiler/src/beam_validator.erl4
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/compiler/src/beam_validator.erl b/lib/compiler/src/beam_validator.erl
index ee0011d397..3c0f3a2d25 100644
--- a/lib/compiler/src/beam_validator.erl
+++ b/lib/compiler/src/beam_validator.erl
@@ -618,6 +618,7 @@ valfun_4({test,bs_start_match2,{f,Fail},Live,[Ctx,NeedSlots],Ctx}, Vst0) ->
%% is OK as input.
CtxType = get_move_term_type(Ctx, Vst0),
verify_live(Live, Vst0),
+ verify_y_init(Vst0),
Vst1 = prune_x_regs(Live, Vst0),
BranchVst = case CtxType of
#ms{} ->
@@ -634,6 +635,7 @@ valfun_4({test,bs_start_match2,{f,Fail},Live,[Ctx,NeedSlots],Ctx}, Vst0) ->
valfun_4({test,bs_start_match2,{f,Fail},Live,[Src,Slots],Dst}, Vst0) ->
assert_term(Src, Vst0),
verify_live(Live, Vst0),
+ verify_y_init(Vst0),
Vst1 = prune_x_regs(Live, Vst0),
Vst = branch_state(Fail, Vst1),
set_type_reg(bsm_match_state(Slots), Src, Dst, Vst);
@@ -836,6 +838,7 @@ verify_put_map(Fail, Src, Dst, Live, List, Vst0) ->
validate_bs_get(Fail, Ctx, Live, Type, Dst, Vst0) ->
bsm_validate_context(Ctx, Vst0),
verify_live(Live, Vst0),
+ verify_y_init(Vst0),
Vst1 = prune_x_regs(Live, Vst0),
Vst = branch_state(Fail, Vst1),
set_type_reg(Type, Dst, Vst).
@@ -845,6 +848,7 @@ validate_bs_get(Fail, Ctx, Live, Type, Dst, Vst0) ->
%%
validate_bs_skip_utf(Fail, Ctx, Live, Vst0) ->
bsm_validate_context(Ctx, Vst0),
+ verify_y_init(Vst0),
verify_live(Live, Vst0),
Vst = prune_x_regs(Live, Vst0),
branch_state(Fail, Vst).