mirror of https://github.com/rust-lang/rust
27 lines
644 B
Rust
27 lines
644 B
Rust
// skip-filecheck
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// Basic test for liveness constraints: the region (`R1`) that appears
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// in the type of `p` includes the points after `&v[0]` up to (but not
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// including) the call to `use_x`. The `else` branch is not included.
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//@ compile-flags:-Zverbose-internals
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// ^^^^^^^^^^^^^^^^^^^ force compiler to dump more region information
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#![allow(warnings)]
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fn use_x(_: usize) -> bool {
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true
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}
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// EMIT_MIR_FOR_EACH_BIT_WIDTH
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// EMIT_MIR region_subtyping_basic.main.nll.0.mir
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fn main() {
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let mut v = [1, 2, 3];
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let p = &v[0];
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let q = p;
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if true {
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use_x(*q);
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} else {
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use_x(22);
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}
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}
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