[turbofan] Preserve pending message while inside finally-block.

src/compiler/simplified-lowering.cc

Index: src/compiler/simplified-lowering.cc
diff --git a/src/compiler/simplified-lowering.cc b/src/compiler/simplified-lowering.cc
index a757248a99e16c96191f257966f5f49849832326..051d3feb88dfd180865c9265589ba8891acab84d 100644
--- a/src/compiler/simplified-lowering.cc
+++ b/src/compiler/simplified-lowering.cc
@@ -916,7 +916,7 @@ class RepresentationSelector {
         MachineTypeUnion tBase = kRepTagged | kMachPtr;
         LoadRepresentation rep = OpParameter<LoadRepresentation>(node);
         ProcessInput(node, 0, tBase);   // pointer or object
-        ProcessInput(node, 1, kMachInt32);  // index
+        ProcessInput(node, 1, kMachIntPtr);  // index
         ProcessRemainingInputs(node, 2);
         SetOutput(node, rep);
         break;
@@ -926,7 +926,7 @@ class RepresentationSelector {
         MachineTypeUnion tBase = kRepTagged | kMachPtr;
         StoreRepresentation rep = OpParameter<StoreRepresentation>(node);
         ProcessInput(node, 0, tBase);   // pointer or object
-        ProcessInput(node, 1, kMachInt32);  // index
+        ProcessInput(node, 1, kMachIntPtr);  // index
         ProcessInput(node, 2, rep.machine_type());
         ProcessRemainingInputs(node, 3);
         SetOutput(node, 0);