Simplify AssemblerPositionsRecorder.

src/arm/macro-assembler-arm.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <limits.h>  // For LONG_MIN, LONG_MAX.
 
 #if V8_TARGET_ARCH_ARM
 
 #include "src/base/bits.h"
 #include "src/base/division-by-constant.h"
@@ skipping 102 matching lines @@
   //  movw  ip, #... @ call address low 16
   //  movt  ip, #... @ call address high 16
   //  blx   ip
   //                      @ return address
   // Or for pre-V7 or values that may be back-patched
   // to avoid ICache flushes:
   //  ldr   ip, [pc, #...] @ call address
   //  blx   ip
   //                      @ return address
 
-  // Statement positions are expected to be recorded when the target
-  // address is loaded. The mov method will automatically record
-  // positions when pc is the target, since this is not the case here
-  // we have to do it explicitly.
-  positions_recorder()->WriteRecordedPositions();
-
   mov(ip, Operand(reinterpret_cast<int32_t>(target), rmode));
   blx(ip, cond);
 
   DCHECK_EQ(expected_size, SizeOfCodeGeneratedSince(&start));
   if (mode == NEVER_INLINE_TARGET_ADDRESS) {
     set_predictable_code_size(old_predictable_code_size);
   }
 }
 
 
@@ skipping 3903 matching lines @@
     }
   }
   if (mag.shift > 0) mov(result, Operand(result, ASR, mag.shift));
   add(result, result, Operand(dividend, LSR, 31));
 }
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_ARM