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More in-depth documentation for the new debuginfo options

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Julia Tatz 2021-09-03 13:00:39 -04:00 • committed by Jynn Nelson
parent 0504a33383
commit 7b453b9f5a
5 changed files with 18 additions and 11 deletions
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10
compiler/rustc_codegen_llvm/src/llvm/ffi.rs
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@ -951,6 +951,16 @@ pub mod debuginfo {
impl DebugEmissionKind {
pub fn from_generic(kind: rustc_session::config::DebugInfo) -> Self {
// We should be setting LLVM's emission kind to `LineTablesOnly` if
// we are compiling with "limited" debuginfo. However, some of the
// existing tools relied on slightly more debuginfo being generated than
// would be the case with `LineTablesOnly`, and we did not want to break
// these tools in a "drive-by fix", without a good idea or plan about
// what limited debuginfo should exactly look like. So for now we are
// instead adding a new debuginfo option "line-tables-only" so as to
// not break anything and to allow users to have 'limited' debug info.
//
// See https://github.com/rust-lang/rust/issues/60020 for details.
use rustc_session::config::DebugInfo;
match kind {
DebugInfo::None => DebugEmissionKind::NoDebug,