rust/compiler/rustc_codegen_ssa
bors 493c38ba37 Auto merge of #127173 - bjorn3:mangle_rustc_std_internal_symbol, r=wesleywiser,jieyouxu
Mangle rustc_std_internal_symbols functions

This reduces the risk of issues when using a staticlib or rust dylib compiled with a different rustc version in a rust program. Currently this will either (in the case of staticlib) cause a linker error due to duplicate symbol definitions, or (in the case of rust dylibs) cause rustc_std_internal_symbols functions to be silently overridden. As rust gets more commonly used inside the implementation of libraries consumed with a C interface (like Spidermonkey, Ruby YJIT (curently has to do partial linking of all rust code to hide all symbols not part of the C api), the Rusticl OpenCL implementation in mesa) this is becoming much more of an issue. With this PR the only symbols remaining with an unmangled name are rust_eh_personality (LLVM doesn't allow renaming it) and `__rust_no_alloc_shim_is_unstable`.

Helps mitigate https://github.com/rust-lang/rust/issues/104707

try-job: aarch64-gnu-debug
try-job: aarch64-apple
try-job: x86_64-apple-1
try-job: x86_64-mingw-1
try-job: i686-mingw-1
try-job: x86_64-msvc-1
try-job: i686-msvc-1
try-job: test-various
try-job: armhf-gnu
2025-03-17 22:16:22 +00:00
..
src Auto merge of #127173 - bjorn3:mangle_rustc_std_internal_symbol, r=wesleywiser,jieyouxu 2025-03-17 22:16:22 +00:00
Cargo.toml Stop relying on rustc_type_ir in non-type-system crates 2025-03-15 06:42:48 +00:00
messages.ftl Make some invalid codegen attr errors structured/translatable 2025-03-07 23:26:48 +00:00
README.md mv compiler to compiler/ 2020-08-30 18:45:07 +03:00

Please read the rustc-dev-guide chapter on Backend Agnostic Codegen.