Fix xssue 492: ARM debug crash: mozilla/ecma/FunctionObjects/15.3.1.1-3...

src/arm/assembler-arm.cc

 // 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 1293 matching lines @@
     if ((am & P) == 0)  // post indexing
       mov(dst, Operand(x.rn_), s, cond);
     else if ((am & U) == 0)  // negative indexing
       sub(dst, x.rn_, Operand(x.rm_, x.shift_op_, x.shift_imm_), s, cond);
     else
       add(dst, x.rn_, Operand(x.rm_, x.shift_op_, x.shift_imm_), s, cond);
   }
 }
 
 
+bool Assembler::ImmediateFitsAddrMode1Instruction(int32_t imm32) {
+  uint32_t dummy1;
+  uint32_t dummy2;
+  return fits_shifter(imm32, &dummy1, &dummy2, NULL);
+}
+
+
 // Debugging
 void Assembler::RecordJSReturn() {
   WriteRecordedPositions();
   CheckBuffer();
   RecordRelocInfo(RelocInfo::JS_RETURN);
 }
 
 
 void Assembler::RecordComment(const char* msg) {
   if (FLAG_debug_code) {
@@ skipping 212 matching lines @@
     bind(&after_pool);
   }
 
   // Since a constant pool was just emitted, move the check offset forward by
   // the standard interval.
   next_buffer_check_ = pc_offset() + kCheckConstInterval;
 }
 
 
 } }  // namespace v8::internal