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

src/mips/assembler-mips.h

Index: src/mips/assembler-mips.h
diff --git a/src/mips/assembler-mips.h b/src/mips/assembler-mips.h
index 7df318b9ab7c1c7d21f9c7cc082148a6390bb91b..383d3bf46036d117c006350ac80a7fc6ebce660b 100644
--- a/src/mips/assembler-mips.h
+++ b/src/mips/assembler-mips.h
@@ -500,7 +500,7 @@ class Assembler : public AssemblerBase {
   // GetCode emits any pending (non-emitted) code and fills the descriptor
   // desc. GetCode() is idempotent; it returns the same result if no other
   // Assembler functions are invoked in between GetCode() calls.
-  void GetCode(CodeDesc* desc);
+  void GetCode(Isolate* isolate, CodeDesc* desc);
 
   // Label operations & relative jumps (PPUM Appendix D).
   //
@@ -588,6 +588,10 @@ class Assembler : public AssemblerBase {
   // of that call in the instruction stream.
   inline static Address target_address_from_return_address(Address pc);
 
+  static void set_heap_number(Handle<HeapObject> number, Address pc) {
+    UNIMPLEMENTED();
+  }
+
   static void QuietNaN(HeapObject* nan);
 
   // This sets the branch destination (which gets loaded at the call address).