Auto merge of #103218 - CastilloDel:infer, r=jackh726

[rust.git] / config.toml.example

diff --git a/config.toml.example b/config.toml.example
index a967d881b029b7facb6af929d2d18c3fc6bc6d93..2373fb2ec4fb04d5de652c08fc91be338212b4be 100644 (file)
--- a/config.toml.example
+++ b/config.toml.example
@@ -521,6 +521,12 @@ changelog-seen = 2
 # A descriptive string to be appended to `rustc --version` output, which is
 # also used in places like debuginfo `DW_AT_producer`. This may be useful for
 # supplementary build information, like distro-specific package versions.
+#
+# The Rust compiler will differentiate between versions of itself, including
+# based on this string, which means that if you wish to be compatible with
+# upstream Rust you need to set this to "". However, note that if you are not
+# actually compatible -- for example if you've backported patches that change
+# behavior -- this may lead to miscompilations or other bugs.
 #description = <none> (string)
 
 # The root location of the musl installation directory. The library directory
@@ -628,6 +634,11 @@ changelog-seen = 2
 # If an explicit setting is given, it will be used for all parts of the codebase.
 #new-symbol-mangling = true|false (see comment)
 
+# Select LTO mode that will be used for compiling rustc. By default, thin local LTO
+# (LTO within a single crate) is used (like for any Rust crate). You can also select
+# "thin" or "fat" to apply Thin/Fat LTO to the `rustc_driver` dylib.
+#lto = "thin-local"
+
 # =============================================================================
 # Options for specific targets
 #