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| author | Sverker Eriksson <[email protected]> | 2015-04-20 15:52:27 +0200 |
|---|---|---|
| committer | Sverker Eriksson <[email protected]> | 2015-04-20 15:52:27 +0200 |
| commit | 91fb6636f95f882b75170fb77c412ccc4a9b75f4 (patch) | |
| tree | 17e33497bf2f9c72f2d096210fc61eb204a38f1d /erts/emulator/test/alloc_SUITE.erl | |
| parent | 545890576542e4be630df8772654b99bd0306f62 (diff) | |
| download | otp-91fb6636f95f882b75170fb77c412ccc4a9b75f4.tar.gz otp-91fb6636f95f882b75170fb77c412ccc4a9b75f4.tar.bz2 otp-91fb6636f95f882b75170fb77c412ccc4a9b75f4.zip | |
erts,hipe: Fix bug in binary matching of writable binary
Seen symptom: Hipe compiled code with <<C/utf8, ...>> = Bin does sometimes
not match even though Bin contains a valid utf8 character. There might be
other possible binary matching symptoms, as the problem is not utf8
specific.
Problem: A writable binary was not "emasculated" when the matching started
(as it should) by the hipe compiled code.
Fix: Add a new primop emasculate_binary(Bin) that is called when
a matchstate is created.
ToDo: There are probably room for optimization. For example only call
emasculate_binary if ProcBin.flags is set.
Diffstat (limited to 'erts/emulator/test/alloc_SUITE.erl')
0 files changed, 0 insertions, 0 deletions