add clarifying comment

Freax13 · Freax13 · commit ecffdcc2b025 · 2020-04-16T11:35:38.000+02:00
diff --git a/src/cargo/ops/cargo_test.rs b/src/cargo/ops/cargo_test.rs
@@ -164,6 +164,7 @@ fn run_doc_tests(
 
         if doctest_xcompile {
             if let CompileKind::Target(target) = options.compile_opts.build_config.requested_kind {
+                // use `rustc_target()` to properly handle JSON target paths
                 p.arg("--target").arg(target.rustc_target());
             }
             p.arg("-Zunstable-options");

Original file line number	Diff line number	Diff line change
`@@ -164,6 +164,7 @@ fn run_doc_tests(`
`164`	`164`
`165`	`165`	`if doctest_xcompile {`
`166`	`166`	`if let CompileKind::Target(target) = options.compile_opts.build_config.requested_kind {`
	`167`	+ // use `rustc_target()` to properly handle JSON target paths
`167`	`168`	`p.arg("--target").arg(target.rustc_target());`
`168`	`169`	`}`
`169`	`170`	`p.arg("-Zunstable-options");`