diff options
Diffstat (limited to 'src/test/run-pass-valgrind/coerce-match.rs')
-rw-r--r-- | src/test/run-pass-valgrind/coerce-match.rs | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/src/test/run-pass-valgrind/coerce-match.rs b/src/test/run-pass-valgrind/coerce-match.rs new file mode 100644 index 000000000..a4ba5427d --- /dev/null +++ b/src/test/run-pass-valgrind/coerce-match.rs @@ -0,0 +1,19 @@ +// Check that coercions are propagated through match and if expressions. + +// pretty-expanded FIXME #23616 + +#![feature(box_syntax)] + +pub fn main() { + let _: Box<[isize]> = + if true { let b: Box<_> = box [1, 2, 3]; b } else { let b: Box<_> = box [1]; b }; + + let _: Box<[isize]> = match true { + true => { let b: Box<_> = box [1, 2, 3]; b } + false => { let b: Box<_> = box [1]; b } + }; + + // Check we don't get over-keen at propagating coercions in the case of casts. + let x = if true { 42 } else { 42u8 } as u16; + let x = match true { true => 42, false => 42u8 } as u16; +} |