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add rustc-demangle assertion on mangled symbol

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This commit is contained in:
csmoe 2021-05-21 10:11:40 +08:00
parent be8450eec8
commit 5eb960c8d9
1 changed files with 10 additions and 2 deletions
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12
compiler/rustc_symbol_mangling/src/lib.rs
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@ -250,10 +250,18 @@ fn compute_symbol_name(
tcx.symbol_mangling_version(mangling_version_crate)
};
match mangling_version {
let symbol = match mangling_version {
SymbolManglingVersion::Legacy => legacy::mangle(tcx, instance, instantiating_crate),
SymbolManglingVersion::V0 => v0::mangle(tcx, instance, instantiating_crate),
}
};
debug_assert!(
rustc_demangle::try_demangle(&symbol).is_ok(),
"compute_symbol_name: `{}` cannot be demangled",
symbol
);
symbol
}
fn is_generic(substs: SubstsRef<'_>) -> bool {