[builtins] Add String.prototype.indexOf fast path in TF

src/compiler/register-allocator-verifier.cc

Index: src/compiler/register-allocator-verifier.cc
diff --git a/src/compiler/register-allocator-verifier.cc b/src/compiler/register-allocator-verifier.cc
index 5a2ed93827c08a8912a703463ce73fa492d4fc1d..39ba12d7073941b17ee50e083f6654d2d5e60368 100644
--- a/src/compiler/register-allocator-verifier.cc
+++ b/src/compiler/register-allocator-verifier.cc
@@ -343,8 +343,7 @@ BlockAssessments* RegisterAllocatorVerifier::CreateForBlock(
       auto iterator = assessments_.find(pred_id);
       if (iterator == assessments_.end()) {
         // This block is the head of a loop, and this predecessor is the
-        // loopback
-        // arc.
+        // loopback arc.

[Benedikt Meurer, 2017/01/18 18:10:41]

Can you revert this change? It's a bit confusing to have a register allocator
change in this CL. You can do it separately if you want.

[Camillo Bruni, 2017/01/24 15:51:43]

excluded.

         // Validate this is a loop case, otherwise the CFG is malformed.
         CHECK(pred_id >= current_block_id);
         CHECK(block->IsLoopHeader());