[builtins] Introduce proper Float64Log2 and Float64Log10 operators.

src/compiler/verifier.cc

Index: src/compiler/verifier.cc
diff --git a/src/compiler/verifier.cc b/src/compiler/verifier.cc
index ddb6fae35f75a2f5edb728ab6fdc2118cde732cd..2eadd2edbc2e5c5b41c15c3a844f1a5e16dcf9ee 100644
--- a/src/compiler/verifier.cc
+++ b/src/compiler/verifier.cc
@@ -755,6 +755,8 @@ void Verifier::Visitor::Check(Node* node) {
     case IrOpcode::kNumberAtan:
     case IrOpcode::kNumberLog:
     case IrOpcode::kNumberLog1p:
+    case IrOpcode::kNumberLog2:
+    case IrOpcode::kNumberLog10:
     case IrOpcode::kNumberRound:
     case IrOpcode::kNumberSqrt:
     case IrOpcode::kNumberTrunc:
@@ -1070,6 +1072,8 @@ void Verifier::Visitor::Check(Node* node) {
     case IrOpcode::kFloat64Atan2:
     case IrOpcode::kFloat64Log:
     case IrOpcode::kFloat64Log1p:
+    case IrOpcode::kFloat64Log2:
+    case IrOpcode::kFloat64Log10:
     case IrOpcode::kFloat64Sqrt:
     case IrOpcode::kFloat32RoundDown:
     case IrOpcode::kFloat64RoundDown: