Fix potential overwriting of debug jumps of following code.

src/x64/assembler-x64.cc

Index: src/x64/assembler-x64.cc
diff --git a/src/x64/assembler-x64.cc b/src/x64/assembler-x64.cc
index 999306e37892a434ec19b4e7efb343922d1bb132..9981fd693a4f7c22cc77e6962253d6d8e5003283 100644
--- a/src/x64/assembler-x64.cc
+++ b/src/x64/assembler-x64.cc
@@ -414,6 +414,16 @@ void Assembler::GetCode(CodeDesc* desc) {
 }
 
 
+void Assembler::Pad(int n) {

[Rico, 2011/02/02 11:35:37]

Not used

[Lasse Reichstein, 2011/02/03 14:14:12]

Removed.

+  ASSERT(n > 0);
+  while (n > 9) {
+    nop(9);
+    n -= 9;
+  }
+  nop(n);
+}
+
+
 void Assembler::Align(int m) {
   ASSERT(IsPowerOf2(m));
   int delta = (m - (pc_offset() & (m - 1))) & (m - 1);
@@ -916,6 +926,19 @@ void Assembler::call(const Operand& op) {
 }
 
 
+void Assembler::call(Address target) {
+  positions_recorder()->WriteRecordedPositions();
+  EnsureSpace ensure_space(this);
+  last_pc_ = pc_;
+  // 1110 1000 #32-bit disp.
+  emit(0xE8);
+  Address source = pc_ + 4;
+  intptr_t displacement = target - source;
+  ASSERT(is_int32(displacement));
+  emitl(static_cast<int32_t>(displacement));
+}
+
+
 void Assembler::clc() {
   EnsureSpace ensure_space(this);
   last_pc_ = pc_;