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authorbors <bors@rust-lang.org>2024-12-26 15:41:37 +0000
committerbors <bors@rust-lang.org>2024-12-26 15:41:37 +0000
commit4ed8cf4237a613a65670d1ea856fdb272e4cfc13 (patch)
tree3ae3485e7cea7d941d90293ef91a8ee81e217c57 /src/librustdoc/formats/cache.rs
parente2848a05a901bb95a985e4465e84671a60d3abec (diff)
parent801c1d8b907389eac18f3c4f0d66de6077795af7 (diff)
downloadrust-4ed8cf4237a613a65670d1ea856fdb272e4cfc13.tar.gz
rust-4ed8cf4237a613a65670d1ea856fdb272e4cfc13.zip
Auto merge of #134774 - jyn514:rustc-dev-short-backtraces, r=jieyouxu
fix default-backtrace-ice test

when running `tests/ui/panics/default-backtrace-ice.rs locally it gave this error:
```
failures:

---- [ui] tests/ui/panics/default-backtrace-ice.rs stdout ----
Saved the actual stderr to "/home/jyn/src/rust3/build/x86_64-unknown-linux-gnu/test/ui/panics/default-backtrace-ice/default-backtrace-ice.stderr"
diff of stderr:

7
8	aborting due to `-Z treat-err-as-bug=1`
9	stack backtrace:
-	(end_short_backtrace)
-	(begin_short_backtrace)
-	(end_short_backtrace)
-	(begin_short_backtrace)
+	      [... omitted 22 frames ...]
+
```
(note that you must *not* use --bless; we previously did not have an error annotation to verify it was a full backtrace instead of a short backtrace.)

this is a regression from setting RUST_BACKTRACE=1 by default in https://github.com/rust-lang/rust/pull/134743. we need to turn off the new behavior when running UI tests so that they reflect our dist compiler. normally that's done by checking `sess.unstable_opts.ui_testing`, but this happens extremely early in the compiler before we've expanded arg files. do an extremely simple hack that doesn't work in all cases - we don't need it to work in all cases, only when running UI tests.

cc https://github.com/rust-lang/rust/pull/129658#issuecomment-2561988081

r? `@jieyouxu`
Diffstat (limited to 'src/librustdoc/formats/cache.rs')
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