Replace OFFSET_OF with offsetof as far as possible.

src/mips64/simulator-mips64.cc

Index: src/mips64/simulator-mips64.cc
diff --git a/src/mips64/simulator-mips64.cc b/src/mips64/simulator-mips64.cc
index 200a1bc80b0a4e1be0f585fb58eaa50d8e95ef25..fee93a867abbd4a721719d2eb5268fb2d5a761ae 100644
--- a/src/mips64/simulator-mips64.cc
+++ b/src/mips64/simulator-mips64.cc
@@ -965,7 +965,7 @@ class Redirection {
   static Redirection* FromSwiInstruction(Instruction* swi_instruction) {
     char* addr_of_swi = reinterpret_cast<char*>(swi_instruction);
     char* addr_of_redirection =
-        addr_of_swi - OFFSET_OF(Redirection, swi_instruction_);
+        addr_of_swi - offsetof(Redirection, swi_instruction_);
     return reinterpret_cast<Redirection*>(addr_of_redirection);
   }