rustc: make stack traces print for .span_bug/.bug. #12874
Merged
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rustc: make stack traces print for .span_bug/.bug.
Previously a call to either of those to diagnostic printers would defer
to the
fatal
equivalents, which explicitly silence the stderrprinting, including a stack trace from
RUST_LOG=std::rt::backtrace
.This splits the bug printers out to their own diagnostic type so that
things work properly.
Also, this removes the
Ok(...)
that was being printed around thesubtask's stderr output.