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when -Zrandomize-layout is enabled disable alloc test testing internal struct sizes

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The 8472 2022-09-02 20:18:19 +02:00
parent 5bf8eeb9f3
commit e3169f76e6
3 changed files with 5 additions and 1 deletions
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1
library/alloc/Cargo.toml
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@ -52,4 +52,5 @@ check-cfg = [
'cfg(no_global_oom_handling)',
'cfg(no_rc)',
'cfg(no_sync)',
'cfg(randomized_layouts)',
]

2
library/alloc/src/collections/btree/node/tests.rs
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@ -90,7 +90,7 @@ fn test_partial_eq() {
#[test]
#[cfg(target_arch = "x86_64")]
#[cfg_attr(miri, ignore)] // We'd like to run Miri with layout randomization
#[cfg_attr(any(miri, randomized_layouts), ignore)] // We'd like to run Miri with layout randomization
fn test_sizes() {
assert_eq!(core::mem::size_of::<LeafNode<(), ()>>(), 16);
assert_eq!(core::mem::size_of::<LeafNode<i64, i64>>(), 16 + CAPACITY * 2 * 8);

3
src/bootstrap/src/core/builder.rs
View File

@ -2193,6 +2193,9 @@ impl<'a> Builder<'a> {
rustflags.arg("-Zvalidate-mir");
rustflags.arg(&format!("-Zmir-opt-level={mir_opt_level}"));
}
if self.config.rust_randomize_layout {
rustflags.arg("--cfg=randomized_layouts");
}
// Always enable inlining MIR when building the standard library.
// Without this flag, MIR inlining is disabled when incremental compilation is enabled.
// That causes some mir-opt tests which inline functions from the standard library to