Fix bug when generating padding to ensure space for lazy deoptimization.

BUG=v8:1846
Review URL: http://codereview.chromium.org/8725030

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10087 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/arm/lithium-codegen-arm.cc

@@ -4582,7 +4582,7 @@ void LCodeGen::EnsureSpaceForLazyDeopt() {
       padding_size -= Assembler::kInstrSize;
     }
   }
-  last_lazy_deopt_pc_ = current_pc;
+  last_lazy_deopt_pc_ = masm()->pc_offset();
 }
 
 

src/ia32/lithium-codegen-ia32.cc

@@ -4491,7 +4491,7 @@ void LCodeGen::EnsureSpaceForLazyDeopt() {
       __ nop();
     }
   }
-  last_lazy_deopt_pc_ = current_pc;
+  last_lazy_deopt_pc_ = masm()->pc_offset();
 }
 
 

src/mips/lithium-codegen-mips.cc

@@ -4518,7 +4518,7 @@ void LCodeGen::EnsureSpaceForLazyDeopt() {
       padding_size -= Assembler::kInstrSize;
     }
   }
-  last_lazy_deopt_pc_ = current_pc;
+  last_lazy_deopt_pc_ = masm()->pc_offset();
 }
 
 

src/x64/lithium-codegen-x64.cc

@@ -4189,7 +4189,7 @@ void LCodeGen::EnsureSpaceForLazyDeopt() {
       padding_size -= nop_size;
     }
   }
-  last_lazy_deopt_pc_ = current_pc;
+  last_lazy_deopt_pc_ = masm()->pc_offset();
 }