[turbofan] Add support for eager/soft deoptimization reasons.

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 2f70dd28da028a9c00808ad40dd12809e661a2f6..85480f79a72f0434cf1a636f1460ffff1449baf0 100644
--- a/src/compiler/ppc/code-generator-ppc.cc
+++ b/src/compiler/ppc/code-generator-ppc.cc
@@ -2006,6 +2006,9 @@ 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;
+  DeoptimizeReason deoptimization_reason =
+      GetDeoptimizationReason(deoptimization_id);
+  __ RecordDeoptReason(deoptimization_reason, 0, deoptimization_id);
   __ Call(deopt_entry, RelocInfo::RUNTIME_ENTRY);
   return kSuccess;
 }