Revert "Revert "Cover vector dynamic indexing case in SplitSequenceOperator""

This reverts commit d2f59bb6dda4f3548e158a09540829f9ff56bba4.

Change-Id: If2842bce17a0c085e2bc913ff120083fbe90497c
Reviewed-on: https://chromium-review.googlesource.com/376189
Reviewed-by: Jamie Madill <jmadill@chromium.org>
Commit-Queue: Jamie Madill <jmadill@chromium.org>
diff --git a/src/compiler/translator/SimplifyLoopConditions.cpp b/src/compiler/translator/SimplifyLoopConditions.cpp
index a53adc4..61a68fc 100644
--- a/src/compiler/translator/SimplifyLoopConditions.cpp
+++ b/src/compiler/translator/SimplifyLoopConditions.cpp
@@ -83,7 +83,7 @@
     if (!mInsideLoopConditionOrExpression)
         return false;
 
-    mFoundLoopToChange = mConditionsToSimplify.match(node, getParentNode());
+    mFoundLoopToChange = mConditionsToSimplify.match(node, getParentNode(), isLValueRequiredHere());
     return !mFoundLoopToChange;
 }