running compiletest with --compare-mode will now run, even if the stamp is up to date

Author: memoryleak47

src/tools/compiletest/src/main.rs

@@ -623,7 +623,7 @@ pub fn make_test(config: &Config, testpaths: &TestPaths) -> test::TestDescAndFn
     };
 
     // Debugging emscripten code doesn't make sense today
-    let ignore = early_props.ignore || !up_to_date(config, testpaths, &early_props)
+    let ignore = early_props.ignore || (!up_to_date(config, testpaths, &early_props) && config.compare_mode.is_none())
         || (config.mode == DebugInfoGdb || config.mode == DebugInfoLldb)
             && config.target.contains("emscripten");