Uplift temporary-cstring-as-ptr
lint from clippy
into rustc
#346
Labels
major-change
A proposal to make a major change to rustc
major-change-accepted
A major change proposal that was accepted
T-compiler
Add this label so rfcbot knows to poll the compiler team
Proposal
Move the
temporary-cstring-as-ptr
lint fromclippy
into the compiler. The lint would be deny by default, and fire when attempting to take the pointer of a temporaryCString
.For instance, the following code
would trigger the lint. This mistake is common and potentially dangerous, to the extent the documentation specifically warns about it, so it would be ideal for the compiler to help prevent this particular footgun.
Mentors or Reviewers
I've performed this change in rust-lang/rust#75671. cc @oli-obk
Process
The main points of the Major Change Process is as follows:
@rustbot second
.-C flag
, then full team check-off is required.@rfcbot fcp merge
on either the MCP or the PR.You can read more about Major Change Proposals on forge.
Comments
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