MIPS: Check in Lithium that allocation size in Smi range.

src/mips/lithium-codegen-mips.cc

Index: src/mips/lithium-codegen-mips.cc
diff --git a/src/mips/lithium-codegen-mips.cc b/src/mips/lithium-codegen-mips.cc
index 5c337e8df81cd13d61d701bcb23d40cab11265b4..89620d8702e4969bda23bed7c772b33f4fe664d1 100644
--- a/src/mips/lithium-codegen-mips.cc
+++ b/src/mips/lithium-codegen-mips.cc
@@ -5371,7 +5371,13 @@ void LCodeGen::DoDeferredAllocate(LAllocate* instr) {
     __ push(size);
   } else {
     int32_t size = ToInteger32(LConstantOperand::cast(instr->size()));
-    __ Push(Smi::FromInt(size));
+    if (size >= 0 && size <= Smi::kMaxValue) {
+      __ Push(Smi::FromInt(size));
+    } else {
+      // We should never get here at runtime => abort
+      __ stop("invalid allocation size");
+      return;
+    }
   }
 
   int flags = AllocateDoubleAlignFlag::encode(