PPC/s390: [compiler] Ask compilation info, not isolate, about source positions flag.

src/compiler/s390/code-generator-s390.cc

Index: src/compiler/s390/code-generator-s390.cc
diff --git a/src/compiler/s390/code-generator-s390.cc b/src/compiler/s390/code-generator-s390.cc
index dd912b636f7981c8d77b6b8748e941f0d008727e..d06805786b6cd23ff156f31799d5dcaed34f1de8 100644
--- a/src/compiler/s390/code-generator-s390.cc
+++ b/src/compiler/s390/code-generator-s390.cc
@@ -2497,7 +2497,7 @@ void CodeGenerator::AssembleArchTrap(Instruction* instr,
         __ Ret();
       } else {
         gen_->AssembleSourcePosition(instr_);
-        __ Call(handle(isolate()->builtins()->builtin(trap_id), isolate()),
+        __ Call(isolate()->builtins()->builtin_handle(trap_id),
                 RelocInfo::CODE_TARGET);
         ReferenceMap* reference_map =
             new (gen_->zone()) ReferenceMap(gen_->zone());
@@ -2607,7 +2607,7 @@ CodeGenerator::CodeGenResult CodeGenerator::AssembleDeoptimizerCall(
   // actual final call site and just bl'ing to it here, similar to what we do
   // in the lithium backend.
   if (deopt_entry == nullptr) return kTooManyDeoptimizationBailouts;
-  if (isolate()->NeedsSourcePositionsForProfiling()) {
+  if (info()->is_source_positions_enabled()) {
     __ RecordDeoptReason(deoptimization_reason, pos, deoptimization_id);
   }
   __ Call(deopt_entry, RelocInfo::RUNTIME_ENTRY);