From 63bb51d3ac3ec015d914e2b0792b4d5aa6e8e4a5 Mon Sep 17 00:00:00 2001 From: Wesley Wiser Date: Mon, 28 Sep 2020 22:48:07 -0400 Subject: [PATCH] Add unstable book docs for `-Zunsound-mir-opts` --- .../unstable-book/src/compiler-flags/unsound-mir-opts.md | 8 ++++++++ 1 file changed, 8 insertions(+) create mode 100644 src/doc/unstable-book/src/compiler-flags/unsound-mir-opts.md diff --git a/src/doc/unstable-book/src/compiler-flags/unsound-mir-opts.md b/src/doc/unstable-book/src/compiler-flags/unsound-mir-opts.md new file mode 100644 index 00000000000..8e46e227c25 --- /dev/null +++ b/src/doc/unstable-book/src/compiler-flags/unsound-mir-opts.md @@ -0,0 +1,8 @@ +# `unsound-mir-opts` + +-------------------- + +The `-Zunsound-mir-opts` compiler flag enables [MIR optimization passes] which can cause unsound behavior. +This flag should only be used by MIR optimization tests in the rustc test suite. + +[MIR optimization passes]: https://rustc-dev-guide.rust-lang.org/mir/optimizations.html