fix cpp11 compile errors

runtime/vm/simulator_mips.cc

Index: runtime/vm/simulator_mips.cc
===================================================================
--- runtime/vm/simulator_mips.cc	(revision 26375)
+++ runtime/vm/simulator_mips.cc	(working copy)
@@ -314,7 +314,7 @@
     if (last_pc != sim_->get_pc()) {
       last_pc = sim_->get_pc();
       if (Simulator::IsIllegalAddress(last_pc)) {
-        OS::Print("pc is out of bounds: 0x%"Px"\n", last_pc);
+        OS::Print("pc is out of bounds: 0x%" Px "\n", last_pc);
       } else {
         Disassembler::Disassemble(last_pc, last_pc + Instr::kInstrSize);
       }
@@ -818,7 +818,7 @@
   // it will be possible to disassemble the code and inspect registers.
   char buffer[128];
   snprintf(buffer, sizeof(buffer),
-           "illegal memory access at 0x%"Px", pc=0x%"Px"\n",
+           "illegal memory access at 0x%" Px ", pc=0x%" Px "\n",
            addr, fault_pc);
   SimulatorDebugger dbg(this);
   dbg.Stop(instr, buffer);
@@ -832,7 +832,7 @@
   // it will be possible to disassemble the code and inspect registers.
   char buffer[128];
   snprintf(buffer, sizeof(buffer),
-           "pc=%p, unaligned %s at 0x%"Px"\n",  instr, msg, addr);
+           "pc=%p, unaligned %s at 0x%" Px "\n",  instr, msg, addr);
   SimulatorDebugger dbg(this);
   dbg.Stop(instr, buffer);
   // The debugger will return control in non-interactive mode.
@@ -1005,7 +1005,7 @@
       Redirection* redirection = Redirection::FromBreakInstruction(instr);
       uword external = redirection->external_function();
       if (FLAG_trace_sim) {
-        OS::Print("Call to host function at 0x%"Pd"\n", external);
+        OS::Print("Call to host function at 0x%" Pd "\n", external);
       }
 
       if ((redirection->call_kind() == kRuntimeCall) ||