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erlc crashes in v3_core when using explicit all size in binary syntax #6707

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ilya-klyuchnikov opened this issue Jan 18, 2023 · 0 comments · Fixed by #6713
Closed

erlc crashes in v3_core when using explicit all size in binary syntax #6707

ilya-klyuchnikov opened this issue Jan 18, 2023 · 0 comments · Fixed by #6713
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@bjorng
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bug Issue is reported as a bug team:VM Assigned to OTP team VM

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@ilya-klyuchnikov
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ilya-klyuchnikov commented Jan 18, 2023 •
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Describe the bug
erlc crashes

To Reproduce

-module(all).
-export([bin_all/1]).

bin_all(Bin) -> <<Bin:all/binary>>.
erlc all.erl
Function: bin_all/1

*** Internal compiler error ***
exception throw: nomatch
  in function  v3_core:make_bit_type/3 (v3_core.erl, line 1431)
  in call from v3_core:bin_elements/2 (v3_core.erl, line 1411)
  in call from v3_core:expr_bin/3 (v3_core.erl, line 1289)
  in call from v3_core:expr/2 (v3_core.erl, line 682)
  in call from v3_core:exprs/2 (v3_core.erl, line 621)
  in call from v3_core:clause/2 (v3_core.erl, line 284)
  in call from v3_core:clauses/2 (v3_core.erl, line 275)
  in call from v3_core:body/4 (v3_core.erl, line 265)

Expected behavior
No crash.

Affected versions
25.2
@ilya-klyuchnikov ilya-klyuchnikov added the bug Issue is reported as a bug label Jan 18, 2023
@bjorng bjorng added the team:VM Assigned to OTP team VM label Jan 19, 2023
@bjorng bjorng self-assigned this Jan 19, 2023
@bjorng bjorng mentioned this issue Jan 19, 2023
Merged
@bjorng bjorng linked a pull request Jan 20, 2023 that will close this issue
Eliminate compiler crash in binary construction #6713
Merged
bjorng added a commit to bjorng/otp that referenced this issue Jan 20, 2023
@bjorng
Merge branch 'bjorn/compiler/explicit-all/erlangGH-6707/OTP-18407' in…
c45073c 
…to maint

* bjorn/compiler/explicit-all/erlangGH-6707/OTP-18407:
  Eliminate compiler crash in binary construction
@bjorng bjorng closed this as completed in 0e2be1d Jan 20, 2023
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bug Issue is reported as a bug team:VM Assigned to OTP team VM
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Eliminate compiler crash in binary construction bjorng/otp
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@bjorng @ilya-klyuchnikov