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Rollup merge of rust-lang#114093 - Enselic:stdin-unknown-mod, r=Mark-…
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…Simulacrum

Add regression test for `echo 'mod unknown;' | rustc -`

Closes rust-lang#65601

The bug is fixed since long ago, probably by rust-lang#69838 (see rust-lang#65601 (comment) for more details).
Add a regression test so we can close the issue.
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matthiaskrgr authored Jul 31, 2023
2 parents 647a1eb + 86433e6 commit 034772d
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13 changes: 13 additions & 0 deletions tests/run-make/unknown-mod-stdin/Makefile
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include ../tools.mk

all:
echo 'mod unknown;' | $(RUSTC) --crate-type rlib - >$(TMPDIR)/unknown-mod.stdout 2>$(TMPDIR)/unknown-mod.stderr || echo "failed successfully"

# Bless like this: RUSTC_BLESS_TEST=1 ./x.py test tests/run-make/unknown-mod-stdin
ifdef RUSTC_BLESS_TEST
cp "$(TMPDIR)"/unknown-mod.stdout unknown-mod.stdout
cp "$(TMPDIR)"/unknown-mod.stderr unknown-mod.stderr
else
$(DIFF) unknown-mod.stdout "$(TMPDIR)"/unknown-mod.stdout
$(DIFF) unknown-mod.stderr "$(TMPDIR)"/unknown-mod.stderr
endif
11 changes: 11 additions & 0 deletions tests/run-make/unknown-mod-stdin/unknown-mod.stderr
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error[E0583]: file not found for module `unknown`
--> <anon>:1:1
|
1 | mod unknown;
| ^^^^^^^^^^^^
|
= help: to create the module `unknown`, create file "unknown.rs" or "unknown/mod.rs"

error: aborting due to previous error

For more information about this error, try `rustc --explain E0583`.
Empty file.

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