Revert "Revert^2: Deopt does not throw"

This reverts commit 240384b7d96c2d579bf58ed7a3e9c9ba1911dae3.

Reason for revert: P1 b/78360004 points to this so reverting for now (will triage later)

Change-Id: I041c1d9fc045391c73e887268c3b1b9b69fcc216

1 files changed, 9 insertions, 0 deletions

diff --git a/compiler/optimizing/nodes.cc b/compiler/optimizing/nodes.cc
index 79bb70b9aa..f784f8f7f3 100644
--- a/compiler/optimizing/nodes.cc
+++ b/compiler/optimizing/nodes.cc
@@ -1916,6 +1916,15 @@ const HTryBoundary* HBasicBlock::ComputeTryEntryOfSuccessors() const {
   }
 }
 
+bool HBasicBlock::HasThrowingInstructions() const {
+  for (HInstructionIterator it(GetInstructions()); !it.Done(); it.Advance()) {
+    if (it.Current()->CanThrow()) {
+      return true;
+    }
+  }
+  return false;
+}
+
 static bool HasOnlyOneInstruction(const HBasicBlock& block) {
   return block.GetPhis().IsEmpty()
       && !block.GetInstructions().IsEmpty()