Bailout for large object allocations in full code EmitFastOneByteArrayJoin.

src/full-codegen/ia32/full-codegen-ia32.cc

Index: src/full-codegen/ia32/full-codegen-ia32.cc
diff --git a/src/full-codegen/ia32/full-codegen-ia32.cc b/src/full-codegen/ia32/full-codegen-ia32.cc
index 953ba260be321981dd34d094b3a4f8d63486cec6..a0852b0d2181c0771653ce238aa21aad9b337b39 100644
--- a/src/full-codegen/ia32/full-codegen-ia32.cc
+++ b/src/full-codegen/ia32/full-codegen-ia32.cc
@@ -4160,6 +4160,11 @@ void FullCodeGenerator::EmitFastOneByteArrayJoin(CallRuntime* expr) {
   __ j(overflow, &bailout);
 
   __ shr(string_length, 1);
+
+  // Bailout for large object allocations.
+  __ cmp(string_length, Page::kMaxRegularHeapObjectSize);
+  __ j(greater, &bailout);
+
   // Live registers and stack values:
   //   string_length
   //   elements