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Assertion failure sometimes shows file+line number of macro, instead of use site #73119

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RalfJung opened this issue Jun 8, 2020 · 2 comments
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Assertion failure sometimes shows file+line number of macro, instead of use site #73119

RalfJung opened this issue Jun 8, 2020 · 2 comments
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C-bug Category: This is a bug. F-track_caller `#![feature(track_caller)]`

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@RalfJung
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RalfJung commented Jun 8, 2020

Sometimes, when an assertion fails, the file+line point to the macro in libstd, instead of the place where the macro is used. See for example #73007 (comment), and @Mark-Simulacrum said they also saw this happen locally.

Currently, it is unclear how to reproduce this problem.
@jonas-schievink jonas-schievink added C-bug Category: This is a bug. F-track_caller `#![feature(track_caller)]` labels Jun 8, 2020
@Aaron1011
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I believe this is a duplicate of #70963, and will be fixed by #72121

@RalfJung
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RalfJung commented Jun 8, 2020

Sounds plausible, yeah. Closing then, thanks!

@RalfJung RalfJung closed this as completed Jun 8, 2020
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