Tweaked FlooringDiv back to TruncatingDiv again.

src/a64/macro-assembler-a64.h

Index: src/a64/macro-assembler-a64.h
diff --git a/src/a64/macro-assembler-a64.h b/src/a64/macro-assembler-a64.h
index c616dd8e255be6ca8884d160ffadfb2076cd4d71..ecc4a0ce02dd08cd42d1876d6e6cd549728c0b09 100644
--- a/src/a64/macro-assembler-a64.h
+++ b/src/a64/macro-assembler-a64.h
@@ -1692,9 +1692,9 @@ class MacroAssembler : public Assembler {
 
   void LoadContext(Register dst, int context_chain_length);
 
-  // Emit code for a flooring division by a constant. The dividend register is
+  // Emit code for a truncating division by a constant. The dividend register is
   // unchanged. Dividend and result must be different.
-  void FlooringDiv(Register result, Register dividend, int32_t divisor);
+  void TruncatingDiv(Register result, Register dividend, int32_t divisor);
 
   // ---------------------------------------------------------------------------
   // StatsCounter support