diff options
Diffstat (limited to 'src/test/ui/consts/locals-in-const-fn.rs')
-rw-r--r-- | src/test/ui/consts/locals-in-const-fn.rs | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/src/test/ui/consts/locals-in-const-fn.rs b/src/test/ui/consts/locals-in-const-fn.rs new file mode 100644 index 000000000..95d50171a --- /dev/null +++ b/src/test/ui/consts/locals-in-const-fn.rs @@ -0,0 +1,35 @@ +// run-pass + +// https://github.com/rust-lang/rust/issues/48821 + +const fn foo(i: usize) -> usize { + let x = i; + x +} + +static FOO: usize = foo(42); + +const fn bar(mut i: usize) -> usize { + i += 8; + let x = &i; + *x +} + +static BAR: usize = bar(42); + +const fn boo(mut i: usize) -> usize { + { + let mut x = i; + x += 10; + i = x; + } + i +} + +static BOO: usize = boo(42); + +fn main() { + assert!(FOO == 42); + assert!(BAR == 50); + assert!(BOO == 52); +} |