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authorStavros Aronis <[email protected]>2016-06-08 13:13:04 +0200
committerStavros Aronis <[email protected]>2016-06-08 13:13:04 +0200
commitb13412d2e4331fa426a6722a04310cbcbf1731d6 (patch)
tree17fba1d7099d652eeab812b4b1a72e44cc9277bd /lib/observer/src
parentd26c15e07229c90ba8353bd78d5406ada0f13271 (diff)
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Fix a bug in Dialyzer related to call-site analysis
Dialyzer's "dataflow" module is using information from the callgraph to determine which functions may be called at a particular call-site. Unfortunately this information can include functions that are certainly not among the possible choices. We don't want to emit warnings in such cases, so a "reasonable" compromise is to stay silent if there are many possible funs and at least one of them can succeed. Bug reported by Dan Gudmundsson, test shrunk down by Magnus Lång.
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