Remove CSV format of save-analysis data

Author: nrc

src/librustc/session/config.rs

@@ -935,8 +935,6 @@ options! {DebuggingOptions, DebuggingSetter, basic_debugging_options,
     save_analysis: bool = (false, parse_bool, [UNTRACKED],
         "write syntax and type analysis (in JSON format) information, in \
          addition to normal output"),
-    save_analysis_csv: bool = (false, parse_bool, [UNTRACKED],
-        "write syntax and type analysis (in CSV format) information, in addition to normal output"),
     save_analysis_api: bool = (false, parse_bool, [UNTRACKED],
         "write syntax and type analysis information for opaque libraries (in JSON format), \
          in addition to normal output"),
@@ -2469,8 +2467,6 @@ mod tests {
         assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
         opts.debugging_opts.save_analysis = true;
         assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
-        opts.debugging_opts.save_analysis_csv = true;
-        assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
         opts.debugging_opts.save_analysis_api = true;
         assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
         opts.debugging_opts.print_move_fragments = true;

src/librustc_driver/lib.rs

@@ -534,15 +534,12 @@ impl<'a> CompilerCalls<'a> for RustcDefaultCalls {
 
 fn save_analysis(sess: &Session) -> bool {
     sess.opts.debugging_opts.save_analysis ||
-    sess.opts.debugging_opts.save_analysis_csv ||
     sess.opts.debugging_opts.save_analysis_api
 }
 
 fn save_analysis_format(sess: &Session) -> save::Format {
     if sess.opts.debugging_opts.save_analysis {
         save::Format::Json
-    } else if sess.opts.debugging_opts.save_analysis_csv {
-        save::Format::Csv
     } else if sess.opts.debugging_opts.save_analysis_api {
         save::Format::JsonApi
     } else {