1| |// Regression test for #93054: Functions using uninhabited types often only have a single, 2| |// unreachable basic block which doesn't get instrumented. This should not cause llvm-cov to fail. 3| |// Since these kinds functions can't be invoked anyway, it's ok to not have coverage data for them. 4| | 5| |// compile-flags: --edition=2021 6| | 7| |enum Never { } 8| | 9| |impl Never { 10| | fn foo(self) { 11| | match self { } 12| | make().map(|never| match never { }); 13| | } 14| | 15| | fn bar(&self) { 16| | match *self { } 17| | } 18| |} 19| | 20| 0|async fn foo2(never: Never) { 21| | match never { } 22| |} 23| | 24| 0|fn make() -> Option<Never> { 25| 0| None 26| 0|} 27| | 28| 1|fn main() { }