[Arm]: Fix liveedit support if --enable_ool_constant_pool is true.

src/arm/debug-arm.cc

Index: src/arm/debug-arm.cc
diff --git a/src/arm/debug-arm.cc b/src/arm/debug-arm.cc
index 97883199f23b309cdee288ff53c10d19e7451d43..aad40c2f38a09472c61ccdb978b7759354188233 100644
--- a/src/arm/debug-arm.cc
+++ b/src/arm/debug-arm.cc
@@ -298,21 +298,26 @@ void DebugCodegen::GenerateFrameDropperLiveEdit(MacroAssembler* masm) {
   __ mov(r1, Operand::Zero());
   __ str(r1, MemOperand(ip, 0));
 
-  // We do not know our frame height, but set sp based on fp.
-  __ sub(sp, fp, Operand(kPointerSize));
+  // Load the function pointer off of our current stack frame.
+  __ ldr(r1, MemOperand(fp,
+         StandardFrameConstants::kConstantPoolOffset - kPointerSize));
 
-  __ Pop(lr, fp, r1);  // Return address, Frame, Function.
+  // Pop return address, frame and constant pool pointer (if
+  // FLAG_enable_ool_constant_pool).
+  __ LeaveFrame(StackFrame::INTERNAL);
 
-  // Load context from the function.
-  __ ldr(cp, FieldMemOperand(r1, JSFunction::kContextOffset));
+  { ConstantPoolUnavailableScope constant_pool_unavailable(masm);
+    // Load context from the function.
+    __ ldr(cp, FieldMemOperand(r1, JSFunction::kContextOffset));
 
-  // Get function code.
-  __ ldr(ip, FieldMemOperand(r1, JSFunction::kSharedFunctionInfoOffset));
-  __ ldr(ip, FieldMemOperand(ip, SharedFunctionInfo::kCodeOffset));
-  __ add(ip, ip, Operand(Code::kHeaderSize - kHeapObjectTag));
+    // Get function code.
+    __ ldr(ip, FieldMemOperand(r1, JSFunction::kSharedFunctionInfoOffset));
+    __ ldr(ip, FieldMemOperand(ip, SharedFunctionInfo::kCodeOffset));
+    __ add(ip, ip, Operand(Code::kHeaderSize - kHeapObjectTag));
 
-  // Re-run JSFunction, r1 is function, cp is context.
-  __ Jump(ip);
+    // Re-run JSFunction, r1 is function, cp is context.
+    __ Jump(ip);
+  }
 }