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remove box data from shape tables #1739

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nikomatsakis opened this issue Feb 2, 2012 · 1 comment
Closed

remove box data from shape tables #1739

nikomatsakis opened this issue Feb 2, 2012 · 1 comment
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A-runtime Area: std's runtime and "pre-main" init for handling backtraces, unwinds, stack overflows

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@nikomatsakis
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Currently, the shape table fully describes the contents of all boxes. However, boxes now uniformly carry a type descriptor of their contents. Therefore, we should be able to replace boxes in shape tables with a single byte ("box"), and then load the shape table for the box contents from the box itself. This will be helpful for monomorphization (#1736) as well, because it allows a single version of the function to operate over all box types without derived type descriptors.
@nikomatsakis
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Basically fixed in 6e680e3.

celinval pushed a commit to celinval/rust-dev that referenced this issue Jun 4, 2024
@zhassan-aws
Bump CBMC version to 5.67.0 (rust-lang#1739)
78761bd
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