Check in codegen test expectations.

test/codegen/expect/corelib/stacktrace_current_test.js

Index: test/codegen/expect/corelib/stacktrace_current_test.js
diff --git a/test/codegen/expect/corelib/stacktrace_current_test.js b/test/codegen/expect/corelib/stacktrace_current_test.js
new file mode 100644
index 0000000000000000000000000000000000000000..7e52b11fba340a579f4870062c6ced0569454737
--- /dev/null
+++ b/test/codegen/expect/corelib/stacktrace_current_test.js
@@ -0,0 +1,42 @@
+dart_library.library('corelib/stacktrace_current_test', null, /* Imports */[
+  'dart_sdk',
+  'expect'
+], function load__stacktrace_current_test(exports, dart_sdk, expect) {
+  'use strict';
+  const core = dart_sdk.core;
+  const convert = dart_sdk.convert;
+  const dart = dart_sdk.dart;
+  const dartx = dart_sdk.dartx;
+  const expect$ = expect.expect;
+  const stacktrace_current_test = Object.create(null);
+  let VoidTovoid = () => (VoidTovoid = dart.constFn(dart.definiteFunctionType(dart.void, [])))();
+  let StackTraceToString = () => (StackTraceToString = dart.constFn(dart.definiteFunctionType(core.String, [core.StackTrace])))();
+  stacktrace_current_test.main = function() {
+    let st0 = null;
+    let st1 = null;
+    try {
+      dart.throw(0);
+    } catch (_) {
+      let s = dart.stackTrace(_);
+      st0 = s;
+    }
+
+    st1 = core.StackTrace.current;
+    let st0s = stacktrace_current_test.findMain(core.StackTrace._check(st0));
+    let st1s = stacktrace_current_test.findMain(core.StackTrace._check(st1));
+    let digits = core.RegExp.new("\\d+");
+    expect$.Expect.equals(st0s[dartx.replaceAll](digits, "0"), st1s[dartx.replaceAll](digits, "0"));
+  };
+  dart.fn(stacktrace_current_test.main, VoidTovoid());
+  stacktrace_current_test.findMain = function(stack) {
+    let string = dart.str`${stack}`;
+    let lines = convert.LineSplitter.split(string)[dartx.toList]();
+    while (dart.test(lines[dartx.isNotEmpty]) && !dart.test(lines[dartx.first][dartx.contains]("main"))) {
+      lines[dartx.removeAt](0);
+    }
+    return lines[dartx.join]("\n");
+  };
+  dart.fn(stacktrace_current_test.findMain, StackTraceToString());
+  // Exports:
+  exports.stacktrace_current_test = stacktrace_current_test;
+});