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Diffstat (limited to '')
-rw-r--r-- | tests/ui/consts/promoted_const_call3.rs | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/tests/ui/consts/promoted_const_call3.rs b/tests/ui/consts/promoted_const_call3.rs new file mode 100644 index 000000000..6d68a2de7 --- /dev/null +++ b/tests/ui/consts/promoted_const_call3.rs @@ -0,0 +1,26 @@ +pub const fn id<T>(x: T) -> T { x } +pub const C: () = { + let _: &'static _ = &String::new(); + //~^ ERROR: destructor of `String` cannot be evaluated at compile-time + //~| ERROR: temporary value dropped while borrowed + + let _: &'static _ = &id(&String::new()); + //~^ ERROR: destructor of `String` cannot be evaluated at compile-time + //~| ERROR: temporary value dropped while borrowed + //~| ERROR: temporary value dropped while borrowed + + let _: &'static _ = &std::mem::ManuallyDrop::new(String::new()); + //~^ ERROR: temporary value dropped while borrowed +}; + +fn main() { + let _: &'static _ = &String::new(); + //~^ ERROR: temporary value dropped while borrowed + + let _: &'static _ = &id(&String::new()); + //~^ ERROR: temporary value dropped while borrowed + //~| ERROR: temporary value dropped while borrowed + + let _: &'static _ = &std::mem::ManuallyDrop::new(String::new()); + //~^ ERROR: temporary value dropped while borrowed +} |