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Build with -Zannotate-moves by default

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Build rustc and tools with -Zannotate-moves by default. Adds toml config
options to set the annotation size limit.

This has no measurable effect on output binary size or compile time.
This commit is contained in:
Jeremy Fitzhardinge 2025-11-06 08:27:03 -08:00
parent 42ebbd2356
commit 972498c728
5 changed files with 25 additions and 0 deletions
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5
bootstrap.example.toml
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@ -831,6 +831,11 @@
# If an explicit setting is given, it will be used for all parts of the codebase.
#rust.new-symbol-mangling = true|false (see comment)
# Size limit in bytes for move/copy annotations (-Zannotate-moves). Only types
# at or above this size will be annotated. If not specified, uses the default
# limit (65 bytes).
#rust.annotate-moves-size-limit = 65
# 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, or "off" to disable