bjoernager/rust
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allow system abi to be variadic

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This commit is contained in:
beepster4096 2024-01-12 23:05:07 -08:00
parent 090d5eac72
commit 41e224b1bc
8 changed files with 34 additions and 13 deletions
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6
compiler/rustc_ty_utils/src/abi.rs
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@ -228,9 +228,9 @@ fn fn_sig_for_fn_abi<'tcx>(
}
#[inline]
fn conv_from_spec_abi(tcx: TyCtxt<'_>, abi: SpecAbi) -> Conv {
fn conv_from_spec_abi(tcx: TyCtxt<'_>, abi: SpecAbi, c_variadic: bool) -> Conv {
use rustc_target::spec::abi::Abi::*;
match tcx.sess.target.adjust_abi(abi) {
match tcx.sess.target.adjust_abi(abi, c_variadic) {
RustIntrinsic | PlatformIntrinsic | Rust | RustCall => Conv::Rust,
// This is intentionally not using `Conv::Cold`, as that has to preserve
@ -488,7 +488,7 @@ fn fn_abi_new_uncached<'tcx>(
) -> Result<&'tcx FnAbi<'tcx, Ty<'tcx>>, &'tcx FnAbiError<'tcx>> {
let sig = cx.tcx.normalize_erasing_late_bound_regions(cx.param_env, sig);
let conv = conv_from_spec_abi(cx.tcx(), sig.abi);
let conv = conv_from_spec_abi(cx.tcx(), sig.abi, sig.c_variadic);
let mut inputs = sig.inputs();
let extra_args = if sig.abi == RustCall {