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author: Andres Salomon <dilinger@debian.org>
work around the following build error (likely required by a newer rustc):
ld.lld-19: error: undefined symbol: __rust_no_alloc_shim_is_unstable
>>> referenced by raw_vec.rs:0 (library/alloc/src/raw_vec.rs:0)
>>> std-204c535bb1c72e7d.std.83f6108400cae6c8-cgu.04.rcgu.o:(core::slice::sort::stable::driftsort_main::h2af4412729044fb7) in archive prebuilt_rustc_sysroot/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd.rlib
This reverts commit 8393b61ba876c8e1614275c97767f9b06b889f48
Author: Hans Wennborg <hans@chromium.org>
Date: Mon Jun 30 07:45:33 2025 -0700
[rust] Remove __rust_no_alloc_shim_is_unstable
--- a/build/rust/allocator/lib.rs
+++ b/build/rust/allocator/lib.rs
@@ -96,7 +96,19 @@ mod both_allocators {
0
}
+ // TODO(crbug.com/422538133) Remove after rolling past
+ // https://github.com/rust-lang/rust/pull/141061
+ #[unsafe(no_mangle)]
+ #[linkage = "weak"]
+ static __rust_no_alloc_shim_is_unstable: u8 = 0;
+
// Mangle the symbol name as rustc expects.
+ // TODO(crbug.com/440481922): Remove this after rolling past https://github.com/rust-lang/rust/pull/143387
+ #[rustc_std_internal_symbol]
+ #[allow(non_upper_case_globals)]
+ #[linkage = "weak"]
+ static __rust_alloc_error_handler_should_panic: u8 = 0;
+
#[rustc_std_internal_symbol]
#[allow(non_upper_case_globals)]
#[linkage = "weak"]
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