Bring over the new tests from https://android-review.googlesource.com/#/c/38771/.

(The bug itself had already been fixed in art's compiler, because we always
run compiled code. I've also removed the JIT warmup code.)

Change-Id: I9d1d2b68f99dd06887146fdd05cb2e4537b4d5fc
diff --git a/test/083-compiler-regressions/expected.txt b/test/083-compiler-regressions/expected.txt
index abfd60f..e2846dd 100644
--- a/test/083-compiler-regressions/expected.txt
+++ b/test/083-compiler-regressions/expected.txt
@@ -9,3 +9,5 @@
 wideGetterSetterTest passes
 wideIdentityTest passes
 returnConstantTest passes
+longDivTest passes
+longModTest passes