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19 lines
489 B
Rust
19 lines
489 B
Rust
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// compile-flags: -O
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// ignore-debug: the debug assertions get in the way
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#![crate_type = "lib"]
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// Make sure no bounds checks are emitted when slicing or indexing
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// with an index from `binary_search`.
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// CHECK-LABEL: @binary_search_index_no_bounds_check
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#[no_mangle]
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pub fn binary_search_index_no_bounds_check(s: &[u8]) -> u8 {
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// CHECK-NOT: panic
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// CHECK-NOT: slice_index_len_fail
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if let Ok(idx) = s.binary_search(&b'\\') {
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s[idx]
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} else {
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42
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}
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}
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