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Add better ICE messages for some undescriptive panics

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This commit is contained in:
Ross Smyth 2023-12-14 23:31:36 -05:00
parent 03515c6a22
commit 663bea5a96
3 changed files with 11 additions and 4 deletions
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6
compiler/rustc_span/src/caching_source_map_view.rs
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@ -117,7 +117,7 @@ impl<'sm> CachingSourceMapView<'sm> {
self.time_stamp += 1;
// Check if lo and hi are in the cached lines.
let lo_cache_idx = self.cache_entry_index(span_data.lo);
let lo_cache_idx: isize = self.cache_entry_index(span_data.lo);
let hi_cache_idx = self.cache_entry_index(span_data.hi);
if lo_cache_idx != -1 && hi_cache_idx != -1 {
@ -205,7 +205,9 @@ impl<'sm> CachingSourceMapView<'sm> {
(lo_cache_idx as usize, oldest)
}
_ => {
panic!();
panic!(
"the case of neither value being equal to -1 was handled above and the function returns."
);
}
};