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authorSverker Eriksson <[email protected]>2015-04-20 15:52:27 +0200
committerSverker Eriksson <[email protected]>2015-04-20 15:52:27 +0200
commit91fb6636f95f882b75170fb77c412ccc4a9b75f4 (patch)
tree17e33497bf2f9c72f2d096210fc61eb204a38f1d /erts/lib_src
parent545890576542e4be630df8772654b99bd0306f62 (diff)
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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.
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