Bailout for large object allocations in full code EmitFastOneByteArrayJoin.

src/full-codegen/arm/full-codegen-arm.cc

Index: src/full-codegen/arm/full-codegen-arm.cc
diff --git a/src/full-codegen/arm/full-codegen-arm.cc b/src/full-codegen/arm/full-codegen-arm.cc
index f6c38cf7bf419adec06e591dbd379b67e1e70b4c..efe055d1d650b3b3b42a96e31d3382ff1f5cf103 100644
--- a/src/full-codegen/arm/full-codegen-arm.cc
+++ b/src/full-codegen/arm/full-codegen-arm.cc
@@ -4245,6 +4245,10 @@ void FullCodeGenerator::EmitFastOneByteArrayJoin(CallRuntime* expr) {
   __ b(vs, &bailout);
   __ SmiUntag(string_length);
 
+  // Bailout for large object allocations.
+  __ cmp(string_length, Operand(Page::kMaxRegularHeapObjectSize));
+  __ b(gt, &bailout);
+
   // Get first element in the array to free up the elements register to be used
   // for the result.
   __ add(element,