Generate a custom OSR entrypoint for OSR compiles on all platforms, and transition to optimized cod…

test/mjsunit/compiler/osr-uint32.js

Index: test/mjsunit/compiler/osr-uint32.js
diff --git a/test/mjsunit/regress/regress-crbug-217858.js b/test/mjsunit/compiler/osr-uint32.js
similarity index 89%
copy from test/mjsunit/regress/regress-crbug-217858.js
copy to test/mjsunit/compiler/osr-uint32.js
index e61cb9f6d24a6dcb54a81699183d2db843d0d2dc..d6fcae546cfa82dbb7a32ca7baa5b4339c86ba77 100644
--- a/test/mjsunit/regress/regress-crbug-217858.js
+++ b/test/mjsunit/compiler/osr-uint32.js
@@ -25,13 +25,15 @@
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-// Flags: --noanalyze_environment_liveness
-
-var r = /r/;
-function f() {
-  r[r] = function() {};
+// Loop to force OSR.
+var j = 0;
+for (var i = 0; i < 80000; i++) {
+    j++;
 }
 
-for (var i = 0; i < 300000; i++) {
-  f();
+function SarShr(val) {
+  return val >> (-2 >>> 0);
 }
+
+var K3 = 0x80000000;
+assertEquals(-2, SarShr(K3 | 0));