[turbofan] Escape analysis treats guard nodes as escaping.

src/compiler/escape-analysis.cc

Index: src/compiler/escape-analysis.cc
diff --git a/src/compiler/escape-analysis.cc b/src/compiler/escape-analysis.cc
index b1a12b201ee16ac2aa849b4354bdf1a2b01addb0..18ea2db7be9ae4e0940f36c8fcd1e8bf7134b185 100644
--- a/src/compiler/escape-analysis.cc
+++ b/src/compiler/escape-analysis.cc
@@ -712,6 +712,7 @@ bool EscapeStatusAnalysis::CheckUsesForEscape(Node* uses, Node* rep,
         }
         break;
       case IrOpcode::kSelect:
+      case IrOpcode::kGuard:
         if (SetEscaped(rep)) {
           TRACE("Setting #%d (%s) to escaped because of use by #%d (%s)\n",
                 rep->id(), rep->op()->mnemonic(), use->id(),
@@ -721,7 +722,8 @@ bool EscapeStatusAnalysis::CheckUsesForEscape(Node* uses, Node* rep,
         break;
       default:
         if (use->op()->EffectInputCount() == 0 &&
-            uses->op()->EffectInputCount() > 0) {
+            uses->op()->EffectInputCount() > 0 &&
+            !IrOpcode::IsJsOpcode(use->opcode())) {
           TRACE("Encountered unaccounted use by #%d (%s)\n", use->id(),
                 use->op()->mnemonic());
           UNREACHABLE();