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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/lint-temporary-cstring-as-param.stderr | |
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/lint-temporary-cstring-as-param.stderr')
-rw-r--r-- | tests/ui/lint/lint-temporary-cstring-as-param.stderr | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/tests/ui/lint/lint-temporary-cstring-as-param.stderr b/tests/ui/lint/lint-temporary-cstring-as-param.stderr new file mode 100644 index 000000000..838b3bc13 --- /dev/null +++ b/tests/ui/lint/lint-temporary-cstring-as-param.stderr @@ -0,0 +1,18 @@ +error: getting the inner pointer of a temporary `CString` + --> $DIR/lint-temporary-cstring-as-param.rs:9:45 + | +LL | some_function(CString::new("").unwrap().as_ptr()); + | ------------------------- ^^^^^^ this pointer will be invalid + | | + | this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime + | + = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned + = help: for more information, see https://doc.rust-lang.org/reference/destructors.html +note: the lint level is defined here + --> $DIR/lint-temporary-cstring-as-param.rs:1:9 + | +LL | #![deny(temporary_cstring_as_ptr)] + | ^^^^^^^^^^^^^^^^^^^^^^^^ + +error: aborting due to previous error + |