Merge branch 'master' into literalTypesAlways

Author: mhegazy

Gulpfile.ts

@@ -39,6 +39,8 @@ const gulp = helpMaker(originalGulp);
 const mochaParallel = require("./scripts/mocha-parallel.js");
 const {runTestsInParallel} = mochaParallel;
 
+Error.stackTraceLimit = 1000;
+
 const cmdLineOptions = minimist(process.argv.slice(2), {
     boolean: ["debug", "light", "colors", "lint", "soft"],
     string: ["browser", "tests", "host", "reporter"],
@@ -727,6 +729,7 @@ gulp.task("browserify", "Runs browserify on run.js to produce a file suitable fo
                         sourcemaps: {
                             "built/local/_stream_0.js": originalMap,
                             "built/local/bundle.js": maps,
+                            "node_modules/source-map-support/source-map-support.js": undefined,
                         }
                     });
                     const finalMap = chain.apply();

src/harness/fourslash.ts

@@ -1304,7 +1304,7 @@ namespace FourSlash {
                 baselineFile,
                 () => stringify(
                     this.testData.markers.map(marker => ({
-                        marker: marker,
+                        marker,
                         quickInfo: this.languageService.getQuickInfoAtPosition(marker.fileName, marker.position)
                     }))
                 ));