mirror of https://github.com/rust-lang/rust
17 lines
374 B
Rust
17 lines
374 B
Rust
//@ compile-flags: -O
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//@ only-64bit
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//
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// This test confirms that we do not reload the length of a Vec after growing it in push.
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#![crate_type = "lib"]
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// CHECK-LABEL: @should_load_once
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#[no_mangle]
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pub fn should_load_once(v: &mut Vec<u8>) {
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// CHECK: load i64
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// CHECK: call {{.*}}grow_one
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// CHECK-NOT: load i64
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// CHECK: add {{.*}}, 1
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v.push(1);
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}
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