Fix issue 1968, replace usage of inline 'asm' constructs in 'stack alignment', 'jump to exception h…

vm/stub_code_arm.cc

Index: vm/stub_code_arm.cc
===================================================================
--- vm/stub_code_arm.cc	(revision 9040)
+++ vm/stub_code_arm.cc	(working copy)
@@ -117,6 +117,27 @@
   __ Unimplemented("Subtype3TestCache Stub");
 }
 
+
+// Return the current stack pointer address, used to stack alignment
+// checks.
+void StubCode::GenerateGetStackPointerStub(Assembler* assembler) {
+  __ Unimplemented("GetStackPointer Stub");
+}
+
+
+// Jump to the exception handler.
+// No Result.
+void StubCode::GenerateJumpToExceptionHandlerStub(Assembler* assembler) {
+  __ Unimplemented("JumpToExceptionHandler Stub");
+}
+
+
+// Jump to the error handler.
+// No Result.
+void StubCode::GenerateJumpToErrorHandlerStub(Assembler* assembler) {
+  __ Unimplemented("JumpToErrorHandler Stub");
+}
+
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_ARM