Matthias Krüger 9b40bd70de

Rollup merge of #135552 - amy-kwan:amy-kwan/reprc-struct-diagnostic-power-alignment, r=workingjubilee ...

[AIX] Lint on structs that have a different alignment in AIX's C ABI

This PR adds a linting diagnostic on AIX for repr(C) structs that are required to follow
the power alignment rule. A repr(C) struct needs to follow the power alignment rule if
the struct:
- Has a floating-point data type (greater than 4-bytes) as its first member, or
- The first member of the struct is an aggregate, whose recursively first member is a
   floating-point data type (greater than 4-bytes).

The power alignment rule for eligible structs is currently unimplemented, so a linting
diagnostic is produced when such a struct is encountered.

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..

aggregate-lang

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base-layout-is-sized-ice-123078.rs

Consider more erroneous layouts as LayoutError::ReferencesError to suppress spurious errors

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base-layout-is-sized-ice-123078.stderr

Consider more erroneous layouts as LayoutError::ReferencesError to suppress spurious errors

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big-type-no-err.rs

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cannot-transmute-unnormalizable-type.rs

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cannot-transmute-unnormalizable-type.stderr

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debug.rs

adjust UI tests

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debug.stderr

Consider more erroneous layouts as LayoutError::ReferencesError to suppress spurious errors

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enum-scalar-pair-int-ptr.rs

Remove the -test suffix from normalize directives

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enum-scalar-pair-int-ptr.stderr

…

enum.rs

Remove the -test suffix from normalize directives

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enum.stderr

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failed-to-get-layout-for-type-error-ice-92979.rs

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failed-to-get-layout-for-type-error-ice-92979.stderr

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hexagon-enum.rs

adjust UI tests

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hexagon-enum.stderr

adjust UI tests

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homogeneous-aggr-transparent.rs

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homogeneous-aggr-transparent.stderr

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homogeneous-aggr-zero-sized-c-struct.rs

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homogeneous-aggr-zero-sized-c-struct.stderr

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homogeneous-aggr-zero-sized-repr-rust.rs

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homogeneous-aggr-zero-sized-repr-rust.stderr

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ice-non-last-unsized-field-issue-121473.rs

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ice-non-last-unsized-field-issue-121473.stderr

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ice-type-error-in-tail-124031.rs

Remove the -test suffix from normalize directives

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ice-type-error-in-tail-124031.stderr

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invalid-unsized-const-eval.rs

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invalid-unsized-const-eval.stderr

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invalid-unsized-const-prop.rs

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invalid-unsized-in-always-sized-tail.rs

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invalid-unsized-in-always-sized-tail.stderr

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issue-60431-unsized-tail-behind-projection.rs

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issue-84108.rs

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issue-84108.stderr

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issue-96158-scalarpair-payload-might-be-uninit.rs

adjust UI tests

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issue-96158-scalarpair-payload-might-be-uninit.stderr

adjust UI tests

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issue-96185-overaligned-enum.rs

adjust UI tests

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issue-96185-overaligned-enum.stderr

adjust UI tests

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issue-112048-unsizing-field-order.rs

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issue-112048-unsizing-niche.rs

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issue-113941.rs

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issue-unsized-tail-restatic-ice-122488.rs

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issue-unsized-tail-restatic-ice-122488.stderr

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layout-cycle.rs

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layout-cycle.stderr

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malformed-unsized-type-in-union.rs

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malformed-unsized-type-in-union.stderr

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post-mono-layout-cycle-2.rs

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post-mono-layout-cycle-2.stderr

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post-mono-layout-cycle.rs

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post-mono-layout-cycle.stderr

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randomize.rs

test that coercions still work under randomization

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reprc-power-alignment.rs

[AIX] Lint on structs that have a different alignment in AIX's C ABI

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reprc-power-alignment.stderr

[AIX] Lint on structs that have a different alignment in AIX's C ABI

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rust-call-abi-not-a-tuple-ice-81974.rs

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rust-call-abi-not-a-tuple-ice-81974.stderr

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size-of-val-raw-too-big.rs

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size-of-val-raw-too-big.stderr

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struct.rs

Remove the -test suffix from normalize directives

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struct.stderr

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thaw-transmute-invalid-enum.rs

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thaw-transmute-invalid-enum.stderr

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thaw-validate-invalid-enum.rs

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thaw-validate-invalid-enum.stderr

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thin-meta-implies-thin-ptr.rs

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thumb-enum.rs

adjust UI tests

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thumb-enum.stderr

adjust UI tests

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too-big-with-padding.rs

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too-big-with-padding.stderr

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transmute-to-tail-with-err.rs

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transmute-to-tail-with-err.stderr

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trivial-bounds-sized.rs

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unsafe-cell-hides-niche.rs

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unsatisfiable-sized-ungated.rs

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valid_range_oob.rs

Remove the -test suffix from normalize directives

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valid_range_oob.stderr

Properly note when query stack is being cut off

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zero-sized-array-enum-niche.rs

adjust UI tests

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zero-sized-array-enum-niche.stderr

adjust UI tests

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zero-sized-array-union.rs

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zero-sized-array-union.stderr

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