Fix issue 491: constantpool dump violates ARM debugger assertion for return p...

src/arm/assembler-arm.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 667 matching lines @@
   void jmp(Label* L) { b(L, al); }
 
   // Check the code size generated from label to here.
   int InstructionsGeneratedSince(Label* l) {
     return (pc_offset() - l->pos()) / kInstrSize;
   }
 
   // Check whether an immediate fits an addressing mode 1 instruction.
   bool ImmediateFitsAddrMode1Instruction(int32_t imm32);
 
+  // Postpone the generation of the constant pool for the specified number of
+  // instructions.
+  void BlockConstPoolFor(int instructions);
+
   // Debugging
 
   // Mark address of the ExitJSFrame code.
   void RecordJSReturn();
 
   // Record a comment relocation entry that can be used by a disassembler.
   // Use --debug_code to enable.
   void RecordComment(const char* msg);
 
   void RecordPosition(int pos);
@@ skipping 131 matching lines @@
   void RecordRelocInfo(RelocInfo::Mode rmode, intptr_t data = 0);
 
   friend class RegExpMacroAssemblerARM;
   friend class RelocInfo;
   friend class CodePatcher;
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_ARM_ASSEMBLER_ARM_H_