Update compiler/rustc_codegen_llvm/src/coverageinfo/mapgen.rs

Co-authored-by: Wesley Wiser <wwiser@gmail.com>
This commit is contained in:
Rich Kadel 2020-10-23 14:58:08 -07:00 committed by GitHub
parent a7bc1a2edf
commit f75a236fe0
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23

View File

@ -26,10 +26,10 @@
/// undocumented details in Clang's implementation (that may or may not be important) were also
/// replicated for Rust's Coverage Map.
pub fn finalize<'ll, 'tcx>(cx: &CodegenCx<'ll, 'tcx>) {
if cx.coverage_context().is_none() {
return;
}
let function_coverage_map = cx.coverage_context().unwrap().take_function_coverage_map();
let function_coverage_map = match cx.coverage_context() {
Some(ctx) => ctx.take_function_coverage_map(),
None => return,
};
if function_coverage_map.is_empty() {
// This module has no functions with coverage instrumentation
return;