[compiler] Delay allocation of code-embedded heap numbers.

src/mips/assembler-mips.cc

Index: src/mips/assembler-mips.cc
diff --git a/src/mips/assembler-mips.cc b/src/mips/assembler-mips.cc
index bd0e9d1c1b3607e928fb7038b3e68f4871a9ed58..96750225f4bf834c7f13f488e78af562330414ac 100644
--- a/src/mips/assembler-mips.cc
+++ b/src/mips/assembler-mips.cc
@@ -311,8 +311,7 @@ Assembler::Assembler(IsolateData isolate_data, void* buffer, int buffer_size)
   ClearRecordedAstId();
 }
 
-
-void Assembler::GetCode(CodeDesc* desc) {
+void Assembler::GetCode(Isolate* isolate, CodeDesc* desc) {
   EmitForbiddenSlotInstruction();
   DCHECK(pc_ <= reloc_info_writer.pos());  // No overlap.
   // Set up code descriptor.