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When one of these tests fails, any compiler warnings will be printed to the console, which makes it harder to track down the actual reason for failure. (The outstanding warnings were found by temporarily adding `-Dwarnings` to the compiler arguments for `RunCoverage` in `src/tools/compiletest/src/runtest.rs`.)
40 lines
1.7 KiB
Plaintext
40 lines
1.7 KiB
Plaintext
LL| |#![allow(dead_code, unused_assignments, unused_variables)]
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LL| |
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LL| 0|pub fn unused_pub_fn_not_in_library() {
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LL| 0| // Initialize test constants in a way that cannot be determined at compile time, to ensure
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LL| 0| // rustc and LLVM cannot optimize out statements (or coverage counters) downstream from
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LL| 0| // dependent conditions.
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LL| 0| let is_true = std::env::args().len() == 1;
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LL| 0|
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LL| 0| let mut countdown = 0;
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LL| 0| if is_true {
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LL| 0| countdown = 10;
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LL| 0| }
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LL| 0|}
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LL| |
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LL| 0|fn unused_fn() {
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LL| 0| // Initialize test constants in a way that cannot be determined at compile time, to ensure
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LL| 0| // rustc and LLVM cannot optimize out statements (or coverage counters) downstream from
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LL| 0| // dependent conditions.
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LL| 0| let is_true = std::env::args().len() == 1;
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LL| 0|
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LL| 0| let mut countdown = 0;
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LL| 0| if is_true {
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LL| 0| countdown = 10;
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LL| 0| }
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LL| 0|}
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LL| |
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LL| 1|fn main() {
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LL| 1| // Initialize test constants in a way that cannot be determined at compile time, to ensure
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LL| 1| // rustc and LLVM cannot optimize out statements (or coverage counters) downstream from
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LL| 1| // dependent conditions.
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LL| 1| let is_true = std::env::args().len() == 1;
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LL| 1|
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LL| 1| let mut countdown = 0;
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LL| 1| if is_true {
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LL| 1| countdown = 10;
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LL| 1| }
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^0
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LL| 1|}
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