12 lines
573 B
Rust
12 lines
573 B
Rust
// A flag named dump-mono-stats was added to the compiler in 2022, which
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// collects stats on instantiation of items and their associated costs.
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// This test checks that the output stat file exists, and that it contains
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// a specific expected string.
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// See https://github.com/rust-lang/rust/pull/105481
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use run_make_support::{cwd, fs_wrapper, rustc};
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fn main() {
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rustc().crate_type("lib").input("foo.rs").dump_mono_stats(cwd()).arg("-Zdump-mono-stats-format=json").run();
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assert!(fs_wrapper::read_to_string("foo.mono_items.json").contains("\"name\":\"bar\"");
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}
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