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| author | Björn Gustavsson <[email protected]> | 2019-07-30 10:14:16 +0200 |
|---|---|---|
| committer | Björn Gustavsson <[email protected]> | 2019-07-30 10:24:39 +0200 |
| commit | bce995b034452abe200edc2381bc313ff12a0f2f (patch) | |
| tree | 2948077a4984c2ed00c5707f6575bb04856fd826 /lib/compiler/src | |
| parent | 478488a2e75e8e73b8dfc7b6f22fd1f0bfbc04eb (diff) | |
| download | otp-bce995b034452abe200edc2381bc313ff12a0f2f.tar.gz otp-bce995b034452abe200edc2381bc313ff12a0f2f.tar.bz2 otp-bce995b034452abe200edc2381bc313ff12a0f2f.zip | |
Eliminate a crash in the type optimizer pass
https://bugs.erlang.org/browse/ERL-1013
Diffstat (limited to 'lib/compiler/src')
| -rw-r--r-- | lib/compiler/src/beam_ssa_type.erl | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/compiler/src/beam_ssa_type.erl b/lib/compiler/src/beam_ssa_type.erl index 68920e7dd3..3c06c83e2e 100644 --- a/lib/compiler/src/beam_ssa_type.erl +++ b/lib/compiler/src/beam_ssa_type.erl @@ -160,6 +160,10 @@ opt_finish_1([Arg | Args], [TypeMap | TypeMaps], ParamInfo0) -> case join(maps:values(TypeMap)) of any -> opt_finish_1(Args, TypeMaps, ParamInfo0); + none -> + %% This function will never be called. Pretend that we don't + %% know the type for this argument. + opt_finish_1(Args, TypeMaps, ParamInfo0); JoinedType -> JoinedType = verified_type(JoinedType), ParamInfo = ParamInfo0#{ Arg => validator_anno(JoinedType) }, |