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interpret: make read-pointer-as-bytes *always* work in Miri

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and show some extra information when it happens in CTFE
This commit is contained in:
Ralf Jung 2022-08-27 14:54:02 -04:00
parent e63a625711
commit 2e172473da
15 changed files with 155 additions and 147 deletions
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5
compiler/rustc_codegen_cranelift/src/intrinsics/simd.rs
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@ -186,7 +186,10 @@ pub(super) fn codegen_simd_intrinsic_call<'tcx>(
let size = Size::from_bytes(
4 * ret_lane_count, /* size_of([u32; ret_lane_count]) */
);
alloc.inner().get_bytes(fx, alloc_range(offset, size)).unwrap()
alloc
.inner()
.get_bytes_strip_provenance(fx, alloc_range(offset, size))
.unwrap()
}
_ => unreachable!("{:?}", idx_const),
};