Simplify AssemblerPositionsRecorder.

src/s390/assembler-s390.h

 // Copyright (c) 1994-2006 Sun Microsystems Inc.
 // All Rights Reserved.
 //
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions
 // are met:
 //
 // - Redistributions of source code must retain the above copyright notice,
 // this list of conditions and the following disclaimer.
 //
@@ skipping 530 matching lines @@
 
   static inline int encode_crbit(const CRegister& cr, enum CRBit crbit) {
     return ((cr.code() * CRWIDTH) + crbit);
   }
 
   // ---------------------------------------------------------------------------
   // Code generation
 
   // Helper for unconditional branch to Label with update to save register
   void b(Register r, Label* l) {
-    positions_recorder()->WriteRecordedPositions();
     int32_t halfwords = branch_offset(l) / 2;
     brasl(r, Operand(halfwords));
   }
 
   // Conditional Branch Instruction - Generates either BRC / BRCL
   void branchOnCond(Condition c, int branch_offset, bool is_bound = false);
 
   // Helpers for conditional branch to Label
   void b(Condition cond, Label* l, Label::Distance dist = Label::kFar) {
     branchOnCond(cond, branch_offset(l),
@@ skipping 897 matching lines @@
 
 class EnsureSpace BASE_EMBEDDED {
  public:
   explicit EnsureSpace(Assembler* assembler) { assembler->CheckBuffer(); }
 };
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_S390_ASSEMBLER_S390_H_