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Codegen const panic messages as function calls

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This skips emitting extra arguments at every callsite (of which there
can be many). For a librustc_driver build with overflow checks enabled,
this cuts 0.7MB from the resulting binary.
This commit is contained in:
Mark Rousskov 2024-03-17 22:26:39 -04:00
parent 0ad927c0c0
commit 00f4daa276
12 changed files with 255 additions and 63 deletions
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18
compiler/rustc_span/src/symbol.rs
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@ -1297,6 +1297,24 @@ symbols! {
panic_abort,
panic_bounds_check,
panic_cannot_unwind,
panic_const_add_overflow,
panic_const_async_fn_resumed,
panic_const_async_fn_resumed_panic,
panic_const_async_gen_fn_resumed,
panic_const_async_gen_fn_resumed_panic,
panic_const_coroutine_resumed,
panic_const_coroutine_resumed_panic,
panic_const_div_by_zero,
panic_const_div_overflow,
panic_const_gen_fn_none,
panic_const_gen_fn_none_panic,
panic_const_mul_overflow,
panic_const_neg_overflow,
panic_const_rem_by_zero,
panic_const_rem_overflow,
panic_const_shl_overflow,
panic_const_shr_overflow,
panic_const_sub_overflow,
panic_fmt,
panic_handler,
panic_impl,