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Add test for issue #27130

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This commit is contained in:
Dániel Buga 2020-08-25 17:58:58 +02:00
parent 1799d31847
commit a4090d28da
1 changed files with 22 additions and 0 deletions
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22
src/test/codegen/issue-27130.rs Normal file
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// compile-flags: -O
// min-llvm-version: 11.0
#![crate_type = "lib"]
// CHECK-LABEL: @trim_in_place
#[no_mangle]
pub fn trim_in_place(a: &mut &[u8]) {
while a.first() == Some(&42) {
// CHECK-NOT: slice_index_order_fail
*a = &a[1..];
}
}
// CHECK-LABEL: @trim_in_place2
#[no_mangle]
pub fn trim_in_place2(a: &mut &[u8]) {
while let Some(&42) = a.first() {
// CHECK-NOT: slice_index_order_fail
*a = &a[1..];
}
}