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Auto merge of rust-lang#99944 - bjorn3:hide_proc_macro_symbols, r=eddyb
Limit symbols exported from proc macros Only `__rustc_proc_macro_decls_*__` and `rust_metadata_*` need to be exported for proc macros to work. All other symbols only increase binary size and have the potential to conflict with symbols from the host compiler. Fixes rust-lang#99909 Fixes rust-lang#59998 cc `@eddyb`
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Original file line number | Diff line number | Diff line change |
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#![crate_type = "proc-macro"] | ||
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extern crate an_rlib; | ||
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// This should not be exported | ||
#[no_mangle] | ||
extern "C" fn public_c_function_from_cdylib() { | ||
an_rlib::public_c_function_from_rlib(); | ||
} |
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5 changes: 0 additions & 5 deletions
5
...eps/issue-76270-panic-in-libproc-macro.rs → ...cro/issue-76270-panic-in-libproc-macro.rs
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2 changes: 1 addition & 1 deletion
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...issue-76270-panic-in-libproc-macro.stderr → ...issue-76270-panic-in-libproc-macro.stderr
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