[turbofan] Remove obsolete always-on flag --inline-into-try

Change-Id: Ib1233607236c991af0125f0197b9f89b10b4519d
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1625990
Commit-Queue: Georg Neis <neis@chromium.org>
Reviewed-by: Jaroslav Sevcik <jarin@chromium.org>
Cr-Commit-Position: refs/heads/master@{#61779}

src/compiler/js-inlining.cc

@@ -403,18 +403,8 @@ Reduction JSInliner::ReduceJSCall(Node* node) {
     }
   }
 
-  // Calls surrounded by a local try-block are only inlined if the
-  // appropriate flag is active. We also discover the {IfException}
-  // projection this way.
   Node* exception_target = nullptr;
-  if (NodeProperties::IsExceptionalCall(node, &exception_target) &&
-      !FLAG_inline_into_try) {
-    TRACE("Try block surrounds #"
-          << exception_target->id() << ":" << exception_target->op()->mnemonic()
-          << " and --no-inline-into-try active, so not inlining "
-          << *shared_info << " into " << info_->shared_info());
-    return NoChange();
-  }
+  NodeProperties::IsExceptionalCall(node, &exception_target);
 
   // JSInliningHeuristic has already filtered candidates without a
   // BytecodeArray by calling SharedFunctionInfoRef::IsInlineable. For the ones

src/flag-definitions.h

@@ -540,7 +540,6 @@ DEFINE_VALUE_IMPLICATION(stress_inline, min_inlining_frequency, 0)
 DEFINE_VALUE_IMPLICATION(stress_inline, polymorphic_inlining, true)
 DEFINE_BOOL(trace_turbo_inlining, false, "trace TurboFan inlining")
 DEFINE_BOOL(inline_accessors, true, "inline JavaScript accessors")
-DEFINE_BOOL(inline_into_try, true, "inline into try blocks")
 DEFINE_BOOL(turbo_inline_array_builtins, true,
             "inline array builtins in TurboFan code")
 DEFINE_BOOL(use_osr, true, "use on-stack replacement")