22 lines
560 B
Rust
22 lines
560 B
Rust
// compile-flags: -C opt-level=3
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// ignore-debug: the debug assertions get in the way
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#![crate_type = "lib"]
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// Regression test for issue 97217 (the following should result in no allocations)
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// CHECK-LABEL: @issue97217
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#[no_mangle]
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pub fn issue97217() -> i32 {
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// drop_in_place should be inlined and never appear
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// CHECK-NOT: drop_in_place
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// __rust_alloc should be optimized out
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// CHECK-NOT: __rust_alloc
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let v1 = vec![5, 6, 7];
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let v1_iter = v1.iter();
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let total: i32 = v1_iter.sum();
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println!("{}",total);
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total
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}
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