Add missing branches in code generated for LModI with power-of-2 divisor.

src/x64/lithium-codegen-x64.cc

Index: src/x64/lithium-codegen-x64.cc
diff --git a/src/x64/lithium-codegen-x64.cc b/src/x64/lithium-codegen-x64.cc
index 09e9720b7abb03cd83525ff338c85c9a7f63a31a..ef4ac61d8a74fee648d45fca0966d9b54ae83352 100644
--- a/src/x64/lithium-codegen-x64.cc
+++ b/src/x64/lithium-codegen-x64.cc
@@ -809,6 +809,8 @@ void LCodeGen::DoModI(LModI* instr) {
     if (instr->hydrogen()->CheckFlag(HValue::kBailoutOnMinusZero)) {
       __ j(not_zero, &done, Label::kNear);
       DeoptimizeIf(no_condition, instr->environment());
+    } else {
+      __ jmp(&done, Label::kNear);
     }
     __ bind(&positive_dividend);
     __ andl(dividend, Immediate(divisor - 1));