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| author | Björn Gustavsson <[email protected]> | 2016-05-19 10:09:18 +0200 |
|---|---|---|
| committer | Björn Gustavsson <[email protected]> | 2016-05-20 10:07:17 +0200 |
| commit | 6515f262cba9325bef84ce90758f2e74ebfb8c9e (patch) | |
| tree | 2601486ea4655ae2534892a4ad3bb03827b8bced | |
| parent | aa30fb09bca19916c82c239ce4d21897897a1b03 (diff) | |
| download | otp-6515f262cba9325bef84ce90758f2e74ebfb8c9e.tar.gz otp-6515f262cba9325bef84ce90758f2e74ebfb8c9e.tar.bz2 otp-6515f262cba9325bef84ce90758f2e74ebfb8c9e.zip | |
beam_validator: Handle cons literals better
As a preparation for better optimizations in beam_type, a list
literal must be accepted as a 'cons'.
| -rw-r--r-- | lib/compiler/src/beam_validator.erl | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/compiler/src/beam_validator.erl b/lib/compiler/src/beam_validator.erl index d53aff004f..faff9940ec 100644 --- a/lib/compiler/src/beam_validator.erl +++ b/lib/compiler/src/beam_validator.erl @@ -1174,6 +1174,8 @@ assert_type({tuple_element,I}, {tuple,Sz}) ok; assert_type({tuple_element,I}, {literal,Lit}) when I =< tuple_size(Lit) -> ok; +assert_type(cons, {literal,[_|_]}) -> + ok; assert_type(Needed, Actual) -> error({bad_type,{needed,Needed},{actual,Actual}}). |