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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:13 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:13 +0000 |
commit | 218caa410aa38c29984be31a5229b9fa717560ee (patch) | |
tree | c54bd55eeb6e4c508940a30e94c0032fbd45d677 /tests/ui/lint/issue-70819-dont-override-forbid-in-same-scope.rs | |
parent | Releasing progress-linux version 1.67.1+dfsg1-1~progress7.99u1. (diff) | |
download | rustc-218caa410aa38c29984be31a5229b9fa717560ee.tar.xz rustc-218caa410aa38c29984be31a5229b9fa717560ee.zip |
Merging upstream version 1.68.2+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/ui/lint/issue-70819-dont-override-forbid-in-same-scope.rs')
-rw-r--r-- | tests/ui/lint/issue-70819-dont-override-forbid-in-same-scope.rs | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/tests/ui/lint/issue-70819-dont-override-forbid-in-same-scope.rs b/tests/ui/lint/issue-70819-dont-override-forbid-in-same-scope.rs new file mode 100644 index 000000000..b4fc33174 --- /dev/null +++ b/tests/ui/lint/issue-70819-dont-override-forbid-in-same-scope.rs @@ -0,0 +1,50 @@ +// This test is checking that you cannot override a `forbid` by adding in other +// attributes later in the same scope. (We already ensure that you cannot +// override it in nested scopes). + +// If you turn off deduplicate diagnostics (which rustc turns on by default but +// compiletest turns off when it runs ui tests), then the errors are +// (unfortunately) repeated here because the checking is done as we read in the +// errors, and currently that happens two or three different times, depending on +// compiler flags. +// +// I decided avoiding the redundant output was not worth the time in engineering +// effort for bug like this, which 1. end users are unlikely to run into in the +// first place, and 2. they won't see the redundant output anyway. + +// compile-flags: -Z deduplicate-diagnostics=yes + +#![forbid(forbidden_lint_groups)] + +fn forbid_first(num: i32) -> i32 { + #![forbid(unused)] + #![deny(unused)] + //~^ ERROR: deny(unused) incompatible with previous forbid + //~| WARNING being phased out + #![warn(unused)] + #![allow(unused)] + + num * num +} + +fn forbid_last(num: i32) -> i32 { + #![deny(unused)] + #![warn(unused)] + #![allow(unused)] + #![forbid(unused)] + + num * num +} + +fn forbid_multiple(num: i32) -> i32 { + #![forbid(unused)] + #![forbid(unused)] + + num * num +} + +fn main() { + forbid_first(10); + forbid_last(10); + forbid_multiple(10); +} |