Index: src/x64/stub-cache-x64.cc |
diff --git a/src/x64/stub-cache-x64.cc b/src/x64/stub-cache-x64.cc |
index f7b2fe5b40e23c2065cbe2c0aa79c1ee0f7f4527..617f2b848a52a06f8d17c0a019758f6df09963f6 100644 |
--- a/src/x64/stub-cache-x64.cc |
+++ b/src/x64/stub-cache-x64.cc |
@@ -489,7 +489,7 @@ void StoreStubCompiler::GenerateStoreTransition(MacroAssembler* masm, |
} |
} else if (representation.IsDouble()) { |
Label do_store, heap_number; |
- __ AllocateHeapNumber(storage_reg, scratch1, slow); |
+ __ AllocateHeapNumber(storage_reg, scratch1, slow, MUTABLE); |
__ JumpIfNotSmi(value_reg, &heap_number); |
__ SmiToInteger32(scratch1, value_reg); |