diff options
Diffstat (limited to 'src/test/mir-opt/const_prop/control-flow-simplification.rs')
-rw-r--r-- | src/test/mir-opt/const_prop/control-flow-simplification.rs | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/src/test/mir-opt/const_prop/control-flow-simplification.rs b/src/test/mir-opt/const_prop/control-flow-simplification.rs new file mode 100644 index 000000000..aa4ce19f6 --- /dev/null +++ b/src/test/mir-opt/const_prop/control-flow-simplification.rs @@ -0,0 +1,20 @@ +// compile-flags: -Zmir-opt-level=1 + +trait NeedsDrop:Sized{ + const NEEDS:bool=std::mem::needs_drop::<Self>(); +} + +impl<This> NeedsDrop for This{} + +// EMIT_MIR control_flow_simplification.hello.ConstProp.diff +// EMIT_MIR control_flow_simplification.hello.PreCodegen.before.mir +fn hello<T>(){ + if <bool>::NEEDS { + panic!() + } +} + +pub fn main() { + hello::<()>(); + hello::<Vec<()>>(); +} |