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nocapture attribute is missing on function arguments #25759
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A-codegenArea: Code generationArea: Code generationI-slowIssue: Problems and improvements with respect to performance of generated code.Issue: Problems and improvements with respect to performance of generated code.P-lowLow priorityLow priorityT-compilerRelevant to the compiler team, which will review and decide on the PR/issue.Relevant to the compiler team, which will review and decide on the PR/issue.
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A-codegenArea: Code generationArea: Code generationI-slowIssue: Problems and improvements with respect to performance of generated code.Issue: Problems and improvements with respect to performance of generated code.P-lowLow priorityLow priorityT-compilerRelevant to the compiler team, which will review and decide on the PR/issue.Relevant to the compiler team, which will review and decide on the PR/issue.
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In a function like
fn foo(x: &i32), the pointer is known not to be captured by the function because its lifetime doesn't allow it. We used to emit thenocaptureattribute for such function arguments but don't do so anymore.