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authorbors <bors@rust-lang.org>2025-06-02 19:35:39 +0000
committerbors <bors@rust-lang.org>2025-06-02 19:35:39 +0000
commit5d707b07e42766c080c5012869c9988a18dcbb83 (patch)
treecaec2d7b714f8329d50f170457f9a2859c9b44f8 /src/doc
parent449c801783ecef2aad3ae03d6c9e4ac007de7d4b (diff)
parent44ba2432527ef3f78973ad08672725ad72b50fc7 (diff)
Auto merge of #141912 - Kobzol:rollup-wurlnsx, r=Kobzol
Rollup of 5 pull requests

Successful merges:

 - rust-lang/rust#141767 (ci: use free runner for aarch64-gnu-llvm-19-1 PR job)
 - rust-lang/rust#141858 (Fix typo in `StructuralPartialEq` docs)
 - rust-lang/rust#141865 (Optionally don't steal the THIR)
 - rust-lang/rust#141874 (add f16_epsilon and f128_epsilon diagnostic items)
 - rust-lang/rust#141904 (test-float-parse: apply `cfg(not(bootstrap))`)

r? `@ghost`
`@rustbot` modify labels: rollup
Diffstat (limited to 'src/doc')
-rw-r--r--src/doc/unstable-book/src/compiler-flags/no-steal-thir.md7
1 files changed, 7 insertions, 0 deletions
diff --git a/src/doc/unstable-book/src/compiler-flags/no-steal-thir.md b/src/doc/unstable-book/src/compiler-flags/no-steal-thir.md
new file mode 100644
index 00000000000..d83677d1711
--- /dev/null
+++ b/src/doc/unstable-book/src/compiler-flags/no-steal-thir.md
@@ -0,0 +1,7 @@
+# `no-steal-thir`
+
+By default, to save on memory, the THIR body (obtained from the `tcx.thir_body` query) is stolen
+once no longer used. This is inconvenient for authors of rustc drivers who want to access the THIR.
+
+This option disables the stealing. This has no observable effect on compiler behavior, only on
+memory usage.