rust/tests/incremental/commandline-args.rs
jyn c3e4c457fe Track verbose and verbose_internals
bjorn3 says:
> On errors we don't finalize the incr comp cache, but non-fatal diagnostics are cached afaik.
Otherwise we would have to replay the query in question, which we may not be able to do if the query
key is not reconstructible from the dep node fingerprint.

So we must track these flags to avoid replaying incorrect diagnostics.
2024-01-20 08:00:09 -05:00

25 lines
1018 B
Rust

// Test that changing a tracked commandline argument invalidates
// the cache while changing an untracked one doesn't.
// revisions:rpass1 rpass2 rpass3 rpass4
// compile-flags: -Z query-dep-graph
#![feature(rustc_attrs)]
#![rustc_partition_codegened(module="commandline_args", cfg="rpass2")]
#![rustc_partition_reused(module="commandline_args", cfg="rpass3")]
#![rustc_partition_codegened(module="commandline_args", cfg="rpass4")]
// Between revisions 1 and 2, we are changing the debuginfo-level, which should
// invalidate the cache. Between revisions 2 and 3, we are adding `--diagnostic-width`
// which should have no effect on the cache. Between revisions, we are adding
// `--remap-path-prefix` which should invalidate the cache:
//[rpass1] compile-flags: -C debuginfo=0
//[rpass2] compile-flags: -C debuginfo=2
//[rpass3] compile-flags: -C debuginfo=2 --diagnostic-width=80
//[rpass4] compile-flags: -C debuginfo=2 --diagnostic-width=80 --remap-path-prefix=/home/bors/r=src
pub fn main() {
// empty
}