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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:18:25 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:18:25 +0000 |
commit | 5363f350887b1e5b5dd21a86f88c8af9d7fea6da (patch) | |
tree | 35ca005eb6e0e9a1ba3bb5dbc033209ad445dc17 /src/test/mir-opt/nll/region_subtyping_basic.rs | |
parent | Adding debian version 1.66.0+dfsg1-1. (diff) | |
download | rustc-5363f350887b1e5b5dd21a86f88c8af9d7fea6da.tar.xz rustc-5363f350887b1e5b5dd21a86f88c8af9d7fea6da.zip |
Merging upstream version 1.67.1+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/test/mir-opt/nll/region_subtyping_basic.rs')
-rw-r--r-- | src/test/mir-opt/nll/region_subtyping_basic.rs | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/src/test/mir-opt/nll/region_subtyping_basic.rs b/src/test/mir-opt/nll/region_subtyping_basic.rs new file mode 100644 index 000000000..64332f302 --- /dev/null +++ b/src/test/mir-opt/nll/region_subtyping_basic.rs @@ -0,0 +1,25 @@ +// Basic test for liveness constraints: the region (`R1`) that appears +// in the type of `p` includes the points after `&v[0]` up to (but not +// including) the call to `use_x`. The `else` branch is not included. + +// compile-flags:-Zverbose +// ^^^^^^^^^ force compiler to dump more region information + +#![allow(warnings)] + +fn use_x(_: usize) -> bool { + true +} + +// EMIT_MIR_FOR_EACH_BIT_WIDTH +// EMIT_MIR region_subtyping_basic.main.nll.0.mir +fn main() { + let mut v = [1, 2, 3]; + let p = &v[0]; + let q = p; + if true { + use_x(*q); + } else { + use_x(22); + } +} |