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

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

Index: src/compiler/ppc/code-generator-ppc.cc
diff --git a/src/compiler/ppc/code-generator-ppc.cc b/src/compiler/ppc/code-generator-ppc.cc
index e3fddd0dbc5a1da0ab5da8597625ee4a53d348b6..d9615683d2190ea9518766b75b61a10e4f378b54 100644
--- a/src/compiler/ppc/code-generator-ppc.cc
+++ b/src/compiler/ppc/code-generator-ppc.cc
@@ -2081,7 +2081,7 @@ 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());
@@ -2219,7 +2219,7 @@ 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);