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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:13 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:13 +0000 |
commit | 218caa410aa38c29984be31a5229b9fa717560ee (patch) | |
tree | c54bd55eeb6e4c508940a30e94c0032fbd45d677 /tests/mir-opt/inline/polymorphic_recursion.rs | |
parent | Releasing progress-linux version 1.67.1+dfsg1-1~progress7.99u1. (diff) | |
download | rustc-218caa410aa38c29984be31a5229b9fa717560ee.tar.xz rustc-218caa410aa38c29984be31a5229b9fa717560ee.zip |
Merging upstream version 1.68.2+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/mir-opt/inline/polymorphic_recursion.rs')
-rw-r--r-- | tests/mir-opt/inline/polymorphic_recursion.rs | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/tests/mir-opt/inline/polymorphic_recursion.rs b/tests/mir-opt/inline/polymorphic_recursion.rs new file mode 100644 index 000000000..7388722b7 --- /dev/null +++ b/tests/mir-opt/inline/polymorphic_recursion.rs @@ -0,0 +1,25 @@ +// Make sure that the MIR inliner does not loop indefinitely on polymorphic recursion. +// compile-flags: --crate-type lib + +// Randomize `def_path_hash` by defining them under a module with different names +macro_rules! emit { + ($($m:ident)*) => {$( + pub mod $m { + pub trait Tr { type Next: Tr; } + + pub fn hoge<const N: usize, T: Tr>() { + inner::<N, T>(); + } + + #[inline(always)] + fn inner<const N: usize, T: Tr>() + { + inner::<N, T::Next>(); + inner::<N, T::Next>(); + } + } + )*}; +} + +// Increase the chance of triggering the bug +emit!(m00 m01 m02 m03 m04 m05 m06 m07 m08 m09 m10 m11 m12 m13 m14 m15 m16 m17 m18 m19); |