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

src/mips64/assembler-mips64.cc

Index: src/mips64/assembler-mips64.cc
diff --git a/src/mips64/assembler-mips64.cc b/src/mips64/assembler-mips64.cc
index 4c9d48389093822579e195ffd56af1cd1afd0d78..981fde07c785d408fe6bca62181071e520a33d49 100644
--- a/src/mips64/assembler-mips64.cc
+++ b/src/mips64/assembler-mips64.cc
@@ -291,8 +291,7 @@ 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.