Enable self-profiling by default for testing.

Author: michaelwoerister

src/librustc/session/config.rs

@@ -1431,7 +1431,7 @@ options! {DebuggingOptions, DebuggingSetter, basic_debugging_options,
         "don't interleave execution of lints; allows benchmarking individual lints"),
     crate_attr: Vec<String> = (Vec::new(), parse_string_push, [TRACKED],
         "inject the given attribute in the crate"),
-    self_profile: bool = (false, parse_bool, [UNTRACKED],
+    self_profile: bool = (true, parse_bool, [UNTRACKED],
         "run the self profiler and output the raw event data"),
     self_profile_event_filters: Option<Vec<String>> = (None, parse_opt_comma_list, [UNTRACKED],
         "specifies which kinds of events get recorded by the self profiler"),