bjoernager/rust
bjoernager/rust
1
Fork 0
Code Issues Pull requests Activity

coverage: Ignore functions that end up having no mappings

Browse source 
A used function with no mappings has historically indicated a bug, but that
will no longer be the case after moving some fallible span-processing steps
into codegen.
This commit is contained in:
Zalathar 2024-11-24 18:36:15 +11:00
parent 15b663e684
commit 619a272612
1 changed files with 2 additions and 9 deletions
Download patch file Download diff file Expand all files Collapse all files

11
compiler/rustc_codegen_llvm/src/coverageinfo/mapgen.rs
View file

@ -103,15 +103,8 @@ pub(crate) fn finalize(cx: &CodegenCx<'_, '_>) {
encode_mappings_for_function(tcx, &global_file_table, &function_coverage);
if coverage_mapping_buffer.is_empty() {
if function_coverage.is_used() {
bug!(
"A used function should have had coverage mapping data but did not: {}",
mangled_function_name
);
} else {
debug!("unused function had no coverage mapping data: {}", mangled_function_name);
continue;
}
debug!("function has no mappings to embed; skipping");
continue;
}
if !is_used {