bjoernager/rust
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Auto merge of #94130 - erikdesjardins:partially, r=nikic

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Use undef for (some) partially-uninit constants

There needs to be some limit to avoid perf regressions on large arrays
with undef in each element (see comment in the code).

Fixes: #84565
Original PR: #83698

Depends on LLVM 14: #93577
This commit is contained in:
bors 2022-02-25 05:44:33 +00:00
commit ece55d416e
7 changed files with 44 additions and 66 deletions
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2
compiler/rustc_interface/src/tests.rs
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@ -758,7 +758,6 @@ fn test_debugging_options_tracking_hash() {
tracked!(osx_rpath_install_name, true);
tracked!(panic_abort_tests, true);
tracked!(panic_in_drop, PanicStrategy::Abort);
tracked!(partially_uninit_const_threshold, Some(123));
tracked!(pick_stable_methods_before_any_unstable, false);
tracked!(plt, Some(true));
tracked!(polonius, true);
@ -789,6 +788,7 @@ fn test_debugging_options_tracking_hash() {
tracked!(trap_unreachable, Some(false));
tracked!(treat_err_as_bug, NonZeroUsize::new(1));
tracked!(tune_cpu, Some(String::from("abc")));
tracked!(uninit_const_chunk_threshold, 123);
tracked!(unleash_the_miri_inside_of_you, true);
tracked!(use_ctors_section, Some(true));
tracked!(verify_llvm_ir, true);