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Disable funcref generation for fuzz tests with inputs #4797

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Aug 29, 2022
Merged

Disable funcref generation for fuzz tests with inputs #4797

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5 changes: 5 additions & 0 deletions cranelift/fuzzgen/src/lib.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -190,6 +190,11 @@ where
}

pub fn generate_test(mut self) -> Result<TestCase> {
// If we're generating test inputs as well as a function, then we're planning to execute
// this function. That means that any function references in it need to exist. We don't yet
// have infrastructure for generating multiple functions, so just don't generate funcrefs.
self.config.funcrefs_per_function = 0..=0;

let func = self.generate_func()?;
let inputs = self.generate_test_inputs(&func.signature)?;
Ok(TestCase { func, inputs })
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