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authorJubilee <workingjubilee@gmail.com>2025-02-13 17:46:12 -0800
committerGitHub <noreply@github.com>2025-02-13 17:46:12 -0800
commitbde20913c2563ac1ee8b2bba48581ea4b6566e69 (patch)
treee0743d17dfe28ec47514cb191c5f5d54ae5b1061 /compiler/rustc_mir_transform/src/errors.rs
parentd82ec9508364f2041d039368c03b800745166dc8 (diff)
parent66ebee4dd2f55dadca0eaad72139eb3c5ea4c6ea (diff)
downloadrust-bde20913c2563ac1ee8b2bba48581ea4b6566e69.tar.gz
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Rollup merge of #136960 - jyn514:compiletest-args, r=jieyouxu
Compiletest should not inherit all host RUSTFLAGS

I told ``@rhelmot`` to do this in #134913. But it's not correct; compiletest shouldn't inherit RUSTFLAGS at all.

Pass a single new --host-rustcflags to compiletest instead, without overwriting any existing arguments.

Fixes the following failure, which only happens when building llvm from source and then running `x test --stage 1 ui-fulldeps`:
```
diff --git a/tests/ui-fulldeps/fluent-messages/test.stderr b/tests/ui-fulldeps/fluent-messages/test.stderr
index 0b3bb14ce51..978ac46c5a2 100644
--- a/tests/ui-fulldeps/fluent-messages/test.stderr
+++ b/tests/ui-fulldeps/fluent-messages/test.stderr
``@@`` -1,3 +1,8 ``@@``
+warning[E0602]: unknown lint: `linker_messages`
+   |
+   = note: requested on the command line with `-A linker_messages`
+   = note: `#[warn(unknown_lints)]` on by default
```

See https://rust-lang.zulipchat.com/#narrow/channel/182449-t-compiler.2Fhelp/topic/.E2.9C.94.20unknown.20lint.3A.20.60linker_messages.60.20when.20blessing.20tests.20on.20.2E.2E.2E for more context.
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