Disable GC stress for mjsunit/opt-elements.kind test.

test/mjsunit/opt-elements-kind.js

Index: test/mjsunit/opt-elements-kind.js
diff --git a/test/mjsunit/opt-elements-kind.js b/test/mjsunit/opt-elements-kind.js
index 83ad702c2d2c55991daa1bed2aafa475a4f6315a..fe6b8b9bfb8c8b541256d74e0f108cd01d383717 100644
--- a/test/mjsunit/opt-elements-kind.js
+++ b/test/mjsunit/opt-elements-kind.js
@@ -40,6 +40,11 @@
 // in this test case.  Depending on whether smi-only arrays are actually
 // enabled, this test takes the appropriate code path to check smi-only arrays.
 
+// Reset the GC stress mode to be off. Needed because AllocationMementos only
+// live for one gc, so a gc that happens in certain fragile areas of the test
+// can break assumptions.
+%SetFlags("--gc-interval=-1")
+
 support_smi_only_arrays = %HasFastSmiElements(new Array(1,2,3,4,5,6,7,8));
 
 if (support_smi_only_arrays) {